1. In what discipline is special relativity the generally accepted and experimentally well-confirmed physical theory regarding the relationship between space and time?
Answer
Correct Answer:
Physics
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2. Spacecraft propulsion is any method used to what?
Answer
Correct Answer:
Accelerate spacecraft
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3. The design of spacecraft covers a broad area which includes the design of both what?
Answer
Correct Answer:
Robotic spacecraft
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4. What are spacecraft that are used for human spaceflight called?
Answer
Correct Answer:
Spaceships and space stations
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5. What is used for a variety of purposes?
Answer
Correct Answer:
Spacecraft
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6. All spacecraft except what require a launch vehicle?
Answer
Correct Answer:
Single-stage-to-orbit vehicles
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7. How many people can be on a spacecraft when it's transporting them into space?
Answer
Correct Answer:
With or without humans on board
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8. Spaceflight can occur with spacecraft with or without what?
Answer
Correct Answer:
Humans on board
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9. What are common everyday services that rely on space infrastructure?
Answer
Correct Answer:
Weather forecasting, remote sensing, GPS systems, satellite television
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10. What is a novel environment that requires new tools and techniques?
Answer
Correct Answer:
Space
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11. What is one example of an everyday service that is critically dependent on space technology?
Answer
Correct Answer:
Weather forecasting
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12. Space suits have been used to do what?
Answer
Correct Answer:
Earth orbit
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13. What is an example of extravehicular activity?
Answer
Correct Answer:
Work done outside spacecraft
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14. In addition to pressure, modern space suits contain other systems to minimize how much effort is needed to bend what?
Answer
Correct Answer:
Limbs
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15. What is a space station commonly used as?
Answer
Correct Answer:
Artificial satellite
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16. What is a space station also known as?
Answer
Correct Answer:
Orbital station or an orbital space station
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17. What vehicle takes people and cargo to and from the ISS?
Answer
Correct Answer:
Other vehicles
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18. What is the name of the fully operational space station?
Answer
Correct Answer:
International Space Station
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19. What is the SSME known as by its alternate name?
Answer
Correct Answer:
Space Shuttle main engine
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20. What kind of fuel was used in the SSME?
Answer
Correct Answer:
Liquid
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21. How much liquid oxygen was in the Space Shuttle external tank?
Answer
Correct Answer:
Liquid oxygen oxidizer
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22. How long after MECO did the ET get jettisoned?
Answer
Correct Answer:
10 seconds
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23. How many operational flights did the Space Shuttle go through?
Answer
Correct Answer:
82
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24. What was the name of the Shuttle program's official program name?
Answer
Correct Answer:
Space Transportation System
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25. How many missions were flown with a Shuttle between 1981 and 2011?
Answer
Correct Answer:
135
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26. How many orbital test flights occurred before operational flights began?
Answer
Correct Answer:
Four
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27. How many complete shuttle systems were built?
Answer
Correct Answer:
Five
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28. What is the name of the unpowered glide flight that follows the spaceflight?
Answer
Correct Answer:
Return to landing
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29. When are space planes in space?
Answer
Correct Answer:
When it is in space
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30. What type of propulsion can be used to reach space?
Answer
Correct Answer:
Rocket based
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31. A space plane can be thought of as an aircraft that can do which two things?
Answer
Correct Answer:
Endure and maneuver in the vacuum of space or likewise
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32. What type of fountain can reach into space?
Answer
Correct Answer:
Space fountain
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33. What can't support a static tower of this height?
Answer
Correct Answer:
Materials
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34. A space elevator is also called what?
Answer
Correct Answer:
A tether
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35. What would be the main component of a space elevator?
Answer
Correct Answer:
Cable
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36. What type of pressure does the SAS apply against the skin?
Answer
Correct Answer:
Stable
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37. What are the elastic garments used in a space activity suit called?
Answer
Correct Answer:
Skintight
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38. What is the sudden increase in aerodynamic drag and other undesirable effects experienced by an aircraft or other object when it approaches the speed of sound?
Answer
Correct Answer:
The sound barrier
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39. The sound barrier is the sudden increase in what?
Answer
Correct Answer:
Aerodynamic drag and other undesirable effects
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40. What were the earliest rockets made of?
Answer
Correct Answer:
Solid-fuel rockets powered by gunpowder
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41. What is another name for a solid rocket?
Answer
Correct Answer:
Solid-propellant rocket
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42. What is a solid of revolution?
Answer
Correct Answer:
A solid figure obtained by rotating a plane curve around some straight line
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43. What does the solar thermal rocket not need?
Answer
Correct Answer:
An electrical generator
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44. What are solar sails called?
Answer
Correct Answer:
Photon sails
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45. What are solar sails also known as?
Answer
Correct Answer:
Light sails
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46. What are solar panels made up of?
Answer
Correct Answer:
6x10 photovoltaic solar cells
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47. What kind of solar panel absorbs sunlight and generates electricity?
Answer
Correct Answer:
Photovoltaic solar panels
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48. Solar panel's absorb sunlight as a source of energy to generate what?
Answer
Correct Answer:
Electricity
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49. What are field lines in fluid flows called?
Answer
Correct Answer:
Streamline
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50. What are some examples of an object that could be considered a "pathline"?
Answer
Correct Answer:
Streamlines, streaklines and pathlines
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51. What can you do with the stream function?
Answer
Correct Answer:
Plot streamlines
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52. In what dimension can the Lagrange stream function be used?
Answer
Correct Answer:
Two
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53. Who was the first to use the Lagrange stream function?
Answer
Correct Answer:
Joseph Louis Lagrange
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54. What is the meaning of the term "slewing"?
Answer
Correct Answer:
Orientation or movement
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55. What can refer to a spacecraft's orientation or movement in reference to a plane or fixed position?
Answer
Correct Answer:
Slew
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56. What is the term for a reusable vehicle that reaches orbit from the surface of a body without jettisoning hardware?
Answer
Correct Answer:
Single-stage-to-orbit
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57. What is the term usually, but not exclusively, referring to?
Answer
Correct Answer:
Reusable vehicles
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58. A system with a goal of high availability or reliability has a single what?
Answer
Correct Answer:
Point of failure
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59. What's the term for a part of a system that, if it fails, will stop the entire system from working?
Answer
Correct Answer:
Single point of failure
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60. A single point of failure is undesirable in systems with a goal of what?
Answer
Correct Answer:
High availability or reliability
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61. What is the French for "SI"?
Answer
Correct Answer:
Système international
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62. What is the modern form of the metric system?
Answer
Correct Answer:
The International System of Units
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63. How many base units are in the SI system?
Answer
Correct Answer:
Seven
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64. What is a shock wave defined as in physics?
Answer
Correct Answer:
A type of propagating disturbance
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65. What can be carried by a shock wave?
Answer
Correct Answer:
Energy
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66. What is the name of the second moment of area?
Answer
Correct Answer:
Area moment of inertia
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67. What is the unit of dimension when working with the International System of Units?
Answer
Correct Answer:
Meters to the fourth power
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68. How does a scramjet differ from a ramjet?
Answer
Correct Answer:
Supersonic throughout the entire engine
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69. What is another name for a supersonic combustion ramjet?
Answer
Correct Answer:
Scramjet
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70. What kind of physics is schlieren photography meant to study?
Answer
Correct Answer:
Supersonic motion
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71. What do schlieren changes produce?
Answer
Correct Answer:
Localized brightening, darkening, or even color changes
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72. What are schlieren not necessarily visible to the human?
Answer
Correct Answer:
Transparent material
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73. What language do schlieren come from?
Answer
Correct Answer:
German
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74. What is a scalar sometimes described as in physics?
Answer
Correct Answer:
A physical quantity that only has magnitude
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75. What were the original plans for the Saturn rocket?
Answer
Correct Answer:
Military satellite launcher
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76. How many versions of Saturn were built?
Answer
Correct Answer:
Three
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77. What is an artificial object which has been placed into orbit called?
Answer
Correct Answer:
Satellite
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78. What is a natural satellite of Earth?
Answer
Correct Answer:
Earth's Moon
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80. What is the name of the concept being developed by Reaction Engines Limited for a hypersonic precooled hybrid air-breathing rocket engine?
Answer
Correct Answer:
SABRE
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81. What company is developing SABRE?
Answer
Correct Answer:
Reaction Engines Limited
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82. What may be attached to the top of a rudder in order to turn it by a helmsman?
Answer
Correct Answer:
A tiller
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83. What can be used as a lever arm on a tiller?
Answer
Correct Answer:
A stick or pole
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84. A rudder is primarily used to counter what two things?
Answer
Correct Answer:
Adverse yaw and p-factor
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85. Where do rocket launches take place on the ground?
Answer
Correct Answer:
Fixed location
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86. Where are rocket launches most often done from?
Answer
Correct Answer:
A fixed location on the ground
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87. Rocket propellant is used either directly by a rocket or in what way?
Answer
Correct Answer:
To produce the reaction mass
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88. How is the reaction mass typically produced?
Answer
Correct Answer:
With very high speed
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89. What is the name of the material used to produce the reaction mass in a rocket?
Answer
Correct Answer:
Rocket propellant
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90. What is the name of the propelling nozzle in a rocket engine?
Answer
Correct Answer:
Rocket engine nozzle
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91. The nozzle is used to accelerate what type of products?
Answer
Correct Answer:
Combustion gases
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92. Most rocket engines use what type of propulsive jet?
Answer
Correct Answer:
Combustion
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93. What are vehicles propelled by rocket engines called?
Answer
Correct Answer:
Rockets
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94. What does the term "rocket" mean in Italian?
Answer
Correct Answer:
Bobbin
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95. What do rockets obtain thrust from?
Answer
Correct Answer:
A rocket engine
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96. What is the Italian word for bobbin?
Answer
Correct Answer:
Rocchetto
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97. Where was the RL-10 built?
Answer
Correct Answer:
United States
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98. In what decade was the RL10 first developed?
Answer
Correct Answer:
1950s
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99. When did the RL10 first fly?
Answer
Correct Answer:
1961
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100. What is the name of the dimensionless number used to describe flow patterns in fluids?
Answer
Correct Answer:
Reynolds number
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101. What is another name for Reynolds number?
Answer
Correct Answer:
The Reynolds number
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102. What happens to liquids when they are exposed to eddy currents?
Answer
Correct Answer:
Cavitation
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103. What type of flow has a high chance of cavitation?
Answer
Correct Answer:
Liquid
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104. What is a space launch system intended to allow for recovery of?
Answer
Correct Answer:
All or part of the system
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105. What are some of the challenges of creating a reusable launch system?
Answer
Correct Answer:
Design issues
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106. What is a space launch system intended to allow for?
Answer
Correct Answer:
Recovery of all or part of the system for later reuse
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107. What is the name of the spacecraft propulsion method that provides thrust by heating a fluid?
Answer
Correct Answer:
Resistojet
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108. What is the name of the rocket that uses resistojet technology?
Answer
Correct Answer:
Resistojet rocket
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109. What was the name of the inspection device used to check the Shuttle's exterior?
Answer
Correct Answer:
Orbiter Boom Sensor System
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110. What are Shuttle Remote Manipulator System arms also known as?
Answer
Correct Answer:
Canadarm
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111. What is the threshold velocity for relativistic rocket meaning?
Answer
Correct Answer:
30% to 50% of the speed of light
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112. What is the difference between relativistic mass and rest mass at 50% of c?
Answer
Correct Answer:
15%
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113. What is the change in direction of a wavefront at an interface called?
Answer
Correct Answer:
Reflection
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114. What are some examples of reflection?
Answer
Correct Answer:
Light, sound and water waves
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115. What is the second type of entry?
Answer
Correct Answer:
Controlled entry
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116. What is the term for controlled entry?
Answer
Correct Answer:
Reentry
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117. What type of movement is reentry?
Answer
Correct Answer:
Atmospheric entry
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118. What is the name of the rocket envisioned by Karl Schroeder?
Answer
Correct Answer:
Redshift rocket
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119. Who conceived of the redshift rocket?
Answer
Correct Answer:
Karl Schroeder
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120. What is the term used to describe the use of thrusters to provide translation?
Answer
Correct Answer:
Reaction control system
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121. What is the RCS system used to provide?
Answer
Correct Answer:
Attitude control
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122. What is the rate of climb in feet per minute?
Answer
Correct Answer:
Ft/min
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123. What is an example of an airbreathing jet engine?
Answer
Correct Answer:
Ramjet
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124. What type of vehicle requires an assisted take-off?
Answer
Correct Answer:
Ramjet-powered
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125. Ramjets cannot produce thrust at what?
Answer
Correct Answer:
Zero airspeed
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126. What can't ramjets produce at zero airspeed?
Answer
Correct Answer:
Thrust
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127. What is a device for accelerating projectiles called?
Answer
Correct Answer:
Ram accelerator
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128. Ram accelerator is a device for what?
Answer
Correct Answer:
Accelerating projectiles or just a single projectile
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129. What type of weapon is a railgun?
Answer
Correct Answer:
A weapon
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130. Which motor principle is used in the railgun?
Answer
Correct Answer:
Homopolar
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131. What is the name of the device which uses a pair of rails to accelerate its armature?
Answer
Correct Answer:
Railgun
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132. What kind of motor is the railgun based on principles similar to?
Answer
Correct Answer:
Homopolar motor
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133. What type of power does a railgun use?
Answer
Correct Answer:
Electromagnetic force
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134. What does a railgun launch?
Answer
Correct Answer:
High velocity projectiles
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135. What is the act of measuring the direction to a radio source called?
Answer
Correct Answer:
Radio direction finding
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136. What is the act of measuring the direction is known as?
Answer
Correct Answer:
Radio direction finding or sometimes simply direction finding
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137. What is the main purpose of radar?
Answer
Correct Answer:
To determine the range, angle, or velocity of objects
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138. What type of detection system uses radio waves to determine range, angle, or velocity?
Answer
Correct Answer:
Radar
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139. What does a propulsion system consist of?
Answer
Correct Answer:
A source of mechanical power
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140. What is a propulsor?
Answer
Correct Answer:
Means of converting this power into propulsive force
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141. Where were pulsed plasma thruster first used?
Answer
Correct Answer:
Soviet probes
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142. What are generally considered the simplest form of electric spacecraft propulsion?
Answer
Correct Answer:
PPTs
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143. When did the first PPTs fly?
Answer
Correct Answer:
1964
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144. In the case of a PIT, what are the fields used to propel the propellant?
Answer
Correct Answer:
Electric and magnetic fields
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145. A pulsed inductive thruster is also called what?
Answer
Correct Answer:
PIT
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146. What are the proper orbital elements of an orbit?
Answer
Correct Answer:
Constants of motion of an object in space
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147. What type of propeller is manually variable to a few set positions?
Answer
Correct Answer:
Blade pitch
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148. What does the propeller convert from the engine?
Answer
Correct Answer:
Rotary motion
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149. What type of propeller is variable to a few selected positions?
Answer
Correct Answer:
Manually variable to a few set positions
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150. What is the name of the class of rocket engine designs known as?
Answer
Correct Answer:
Pressure-fed engine
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151. What is used to pressurize the gas tanks of pressure-fed engines?
Answer
Correct Answer:
Helium
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152. In what part of the atmosphere is the pressure altitude of interest?
Answer
Correct Answer:
International Standard Atmosphere
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153. What is the altitude in the International Standard Atmosphere with the same atmospheric pressure as that of the part of the atmosphere in question?
Answer
Correct Answer:
Pressure altitude
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154. What is the definition of precession?
Answer
Correct Answer:
A change in the orientation of the rotational axis of a rotating body
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155. A change in what can be defined as a change in the first Euler angle?
Answer
Correct Answer:
Precession
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156. What is the name of the theoretical construct in flow physics?
Answer
Correct Answer:
Prandtl –Glauert singularity
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157. The Prandtl Glauert singularity is sometimes used to explain vapor cones in what type of flows?
Answer
Correct Answer:
Transonic flows
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158. What is pogo oscillation a metaphor for?
Answer
Correct Answer:
The bouncing of a pogo stick
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159. What causes variations in engine thrust in pogo oscillation?
Answer
Correct Answer:
Combustion instability
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160. What does Pogo oscillation compare to?
Answer
Correct Answer:
Pogo stick
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161. What type of nozzle includes a plug around which the working fluid flows?
Answer
Correct Answer:
Plug nozzle
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162. What are some examples of devices that use plug nozzles?
Answer
Correct Answer:
Aircraft, rockets
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163. What kind of field do you need to generate plasma?
Answer
Correct Answer:
Electromagnetic
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164. What state of matter was the first to be described by a chemist?
Answer
Correct Answer:
Plasma
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165. What do physics studies?
Answer
Correct Answer:
Matter, its motion, and behavior
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166. What is the main goal of physics?
Answer
Correct Answer:
To understand how the universe behaves
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167. What does "physical science" mean when it's used with the term "branch"?
Answer
Correct Answer:
A branch
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168. The perpendicular axis theorem can be used to determine what about a rigid object?
Answer
Correct Answer:
The moment of inertia
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169. The perpendicular axis theorem can be used to determine the moment of what?
Answer
Correct Answer:
Inertia of a rigid object
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170. What does the theorem state can be used to determine the moment of inertia of a rigid object?
Answer
Correct Answer:
The perpendicular axis theorem
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171. What was used to slow the Gemini capsule after landing?
Answer
Correct Answer:
Conventional parachutes
Note: This Question is unanswered, help us to find answer for this one
172. The use of Parawings in the recovery of NASA Space Capsules was considered for what year?
Answer
Correct Answer:
1964
Note: This Question is unanswered, help us to find answer for this one
173. Who invented the Parawing?
Answer
Correct Answer:
Francis Rogallo
Note: This Question is unanswered, help us to find answer for this one
174. What kind of drag is caused by moving through air?
Answer
Correct Answer:
Aerodynamic drag
Note: This Question is unanswered, help us to find answer for this one
175. What does parasitic drag describe?
Answer
Correct Answer:
Drag that results when an object is moved through a fluid medium
Note: This Question is unanswered, help us to find answer for this one
176. What is the combination of form drag, skin friction drag and interference drag?
Answer
Correct Answer:
Parasitic drag
Note: This Question is unanswered, help us to find answer for this one
177. What parallel axis rule can be used to determine the second moment of area of a rigid body?
Answer
Correct Answer:
Parallel axes rule
Note: This Question is unanswered, help us to find answer for this one
178. Who named the theorem after them?
Answer
Correct Answer:
Christiaan Huygens and Jakob Steiner
Note: This Question is unanswered, help us to find answer for this one
179. In what field is the Kepler Orbit an elliptic or other conic one?
Answer
Correct Answer:
Astrodynamics
Note: This Question is unanswered, help us to find answer for this one
180. In astrodynamics, the osculating orbit of an object is what?
Answer
Correct Answer:
Kepler orbit
Note: This Question is unanswered, help us to find answer for this one
181. What was the name of the 50 foot long boom on board NASA's shuttles?
Answer
Correct Answer:
Orbiter Boom Sensor System
Note: This Question is unanswered, help us to find answer for this one
182. How much longer did the Canadarm have after the Orbiter Boom Sensor System was attached?
Answer
Correct Answer:
100 feet
Note: This Question is unanswered, help us to find answer for this one
183. What kind of sensor system is on the Orbital Boom?
Answer
Correct Answer:
Boom Sensor System
Note: This Question is unanswered, help us to find answer for this one
184. What is the name of the system that looks for approaching objects?
Answer
Correct Answer:
Orbiter Boom Sensor System
Note: This Question is unanswered, help us to find answer for this one
185. What is the term for any maneuver needed to keep a spacecraft in a particular assigned orbit?
Answer
Correct Answer:
Orbital station-keeping
Note: This Question is unanswered, help us to find answer for this one
186. What is the name of the science of orbital stationkeeping?
Answer
Correct Answer:
Astrodynamics
Note: This Question is unanswered, help us to find answer for this one
187. What is the time it takes an asteroid or a planet to orbit the sun?
Answer
Correct Answer:
Orbital period
Note: This Question is unanswered, help us to find answer for this one
188. The orbital period is the time a given astronomical object takes to complete one orbit around what?
Answer
Correct Answer:
Another object
Note: This Question is unanswered, help us to find answer for this one
189. A non-inclined orbit is contained in what plane?
Answer
Correct Answer:
The reference plane
Note: This Question is unanswered, help us to find answer for this one
190. A non-inclined orbit is contained in the reference plane, which contains what else besides the orbital node?
Answer
Correct Answer:
No nodes
Note: This Question is unanswered, help us to find answer for this one
191. What discipline is applied to the motion of rockets and spacecraft?
Answer
Correct Answer:
Orbital mechanics
Note: This Question is unanswered, help us to find answer for this one
192. Orbital mechanics is the application of what two disciplines?
Answer
Correct Answer:
Ballistics and celestial mechanics
Note: This Question is unanswered, help us to find answer for this one
193. What is an orbital maneuver called in spaceflight when a spacecraft is near Earth?
Answer
Correct Answer:
Deep-space maneuver
Note: This Question is unanswered, help us to find answer for this one
194. What is an example of an orbital plane change?
Answer
Correct Answer:
Orbital inclination change
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195. What is another term for Orbital inclination change?
Answer
Correct Answer:
Orbital plane change
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196. What is the measure of an object's tilt around a celestial body?
Answer
Correct Answer:
Orbital inclination
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197. Orbital inclination measures the tilt of an object's orbit around a what?
Answer
Correct Answer:
Celestial body
Note: This Question is unanswered, help us to find answer for this one
198. What are the parameters required to uniquely identify a specific orbit?
Answer
Correct Answer:
Orbital elements
Note: This Question is unanswered, help us to find answer for this one
199. What are orbital elements?
Answer
Correct Answer:
Parameters required to uniquely identify a specific orbit
Note: This Question is unanswered, help us to find answer for this one
200. What is the name of the parameter that determines the amount by which the orbit of an astronomical object deviates from a perfect circle?
Answer
Correct Answer:
Orbital eccentricity
Note: This Question is unanswered, help us to find answer for this one
201. What is the orbital eccentricity of an object if its value is 0?
Answer
Correct Answer:
Circular orbit
Note: This Question is unanswered, help us to find answer for this one
202. When is orbit phasing used?
Answer
Correct Answer:
In scenarios where a spacecraft in a given orbit must be moved to a different location
Note: This Question is unanswered, help us to find answer for this one
203. What is used to adjust the time and position of spacecraft along its orbit?
Answer
Correct Answer:
Orbit phasing
Note: This Question is unanswered, help us to find answer for this one
204. What does orbit mean in physics?
Answer
Correct Answer:
The gravitationally curved trajectory of an object
Note: This Question is unanswered, help us to find answer for this one
205. In which field is an orbit considered "regular"?
Answer
Correct Answer:
Physics
Note: This Question is unanswered, help us to find answer for this one
206. What is used to direct or modify the flow of a fluid?
Answer
Correct Answer:
A nozzle
Note: This Question is unanswered, help us to find answer for this one
207. What is a nozzle used to modify?
Answer
Correct Answer:
The flow of a fluid
Note: This Question is unanswered, help us to find answer for this one
208. What is the name of the important problem with nose cone design?
Answer
Correct Answer:
Nose cone geometrical shape
Note: This Question is unanswered, help us to find answer for this one
209. Another problem with nose cones is that they are made of what?
Answer
Correct Answer:
Compressible fluid medium
Note: This Question is unanswered, help us to find answer for this one
210. How many laws are contained in Newton's laws of motion?
Answer
Correct Answer:
Three
Note: This Question is unanswered, help us to find answer for this one
211. What is the name of the derived unit of force?
Answer
Correct Answer:
Newton
Note: This Question is unanswered, help us to find answer for this one
212. Newton is named after because of his work in which discipline?
Answer
Correct Answer:
Classical mechanics
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213. What kind of substances are described by the Navier-Stokes equations?
Answer
Correct Answer:
Viscous fluid
Note: This Question is unanswered, help us to find answer for this one
214. The equations were named after who?
Answer
Correct Answer:
Claude-Louis Navier and George Gabriel Stokes
Note: This Question is unanswered, help us to find answer for this one
215. What is the civilian space program?
Answer
Correct Answer:
The National Aeronautics and Space Administration
Note: This Question is unanswered, help us to find answer for this one
216. What is the civilian space program called?
Answer
Correct Answer:
National Aeronautics and Space Administration
Note: This Question is unanswered, help us to find answer for this one
217. What does NASA research and implement?
Answer
Correct Answer:
Aeronautics and aerospace research
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218. Where did the first widespread description of nanotechnology refer to?
Answer
Correct Answer:
Macroscale products
Note: This Question is unanswered, help us to find answer for this one
219. What is the earliest, widespread definition of nanotechnology?
Answer
Correct Answer:
Fabrication of macroscale products
Note: This Question is unanswered, help us to find answer for this one
220. What does a multistage rocket contain?
Answer
Correct Answer:
Engines and propellant
Note: This Question is unanswered, help us to find answer for this one
221. What is another term for multistage rocket?
Answer
Correct Answer:
Step rocket
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222. What is the change in position of an object relative to its surroundings?
Answer
Correct Answer:
Motion
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223. Motion is mathematically described in terms of what four things?
Note: This Question is unanswered, help us to find answer for this one
233. What would a magnetic sail deflect?
Answer
Correct Answer:
Charged particles radiated by the Sun
Note: This Question is unanswered, help us to find answer for this one
234. What type of particles would be deflected by the magnetic sail?
Answer
Correct Answer:
Charged
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235. What system allows aircraft to land without the help of a runway?
Answer
Correct Answer:
Microwave landing system
Note: This Question is unanswered, help us to find answer for this one
236. What type of landing system does the space shuttle use?
Answer
Correct Answer:
Microwave
Note: This Question is unanswered, help us to find answer for this one
237. What does the meter per second specify?
Answer
Correct Answer:
Both magnitude and a specific direction
Note: This Question is unanswered, help us to find answer for this one
238. The metre per second was created by dividing time in what unit?
Answer
Correct Answer:
Seconds
Note: This Question is unanswered, help us to find answer for this one
239. What type of mirror can be found in adaptive optics systems?
Answer
Correct Answer:
Membrane mirror
Note: This Question is unanswered, help us to find answer for this one
240. What are mirrors made on in adaptive optics systems?
Answer
Correct Answer:
Thin films of material
Note: This Question is unanswered, help us to find answer for this one
241. What can be made on metallized PET film?
Answer
Correct Answer:
Membrane mirrors
Note: This Question is unanswered, help us to find answer for this one
242. What discipline is concerned with the mechanics of fluids?
Answer
Correct Answer:
Fluid mechanics
Note: This Question is unanswered, help us to find answer for this one
243. What would you call a linear motor used for space launch?
Answer
Correct Answer:
Mass driver
Note: This Question is unanswered, help us to find answer for this one
244. What is a mass driver referred to as?
Answer
Correct Answer:
Electromagnetic catapult
Note: This Question is unanswered, help us to find answer for this one
245. What property of a body is measured by its mass?
Answer
Correct Answer:
Resistance to acceleration
Note: This Question is unanswered, help us to find answer for this one
246. What is the property of a physical body that is also a measure of its resistance to acceleration?
Answer
Correct Answer:
Mass
Note: This Question is unanswered, help us to find answer for this one
247. What is the name of the thruster type?
Answer
Correct Answer:
Magnetoplasmadynamic
Note: This Question is unanswered, help us to find answer for this one
248. What type of thruster uses the Lorentz force to generate thrust?
Answer
Correct Answer:
Magnetoplasmadynamic thruster
Note: This Question is unanswered, help us to find answer for this one
249. A magsail would use a static what to deflect charged particles radiated by the sun?
Answer
Correct Answer:
Magnetic field
Note: This Question is unanswered, help us to find answer for this one
250. What could a magnetic sail thrust against?
Answer
Correct Answer:
Planetary and solar magnetospheres
Note: This Question is unanswered, help us to find answer for this one
251. What is the dimensionless property in Mach number?
Answer
Correct Answer:
The ratio of flow velocity past a boundary to the local speed of sound
Note: This Question is unanswered, help us to find answer for this one
252. What is the dimensionless number in fluid dynamics called?
Answer
Correct Answer:
Mach number
Note: This Question is unanswered, help us to find answer for this one
253. A lunar space elevator could be used to transport what?
Answer
Correct Answer:
A mechanical climbing vehicle
Note: This Question is unanswered, help us to find answer for this one
254. What is another term for a lunar space elevator?
Answer
Correct Answer:
Lunar spacelift
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255. What is the altitude of a Low Earth Orbit?
Answer
Correct Answer:
2,000 km
Note: This Question is unanswered, help us to find answer for this one
256. What does LEO mean?
Answer
Correct Answer:
Low Earth Orbit
Note: This Question is unanswered, help us to find answer for this one
257. What is the process in aeronautics and aviation called when a plane cruises over a small region for a certain amount of time?
Answer
Correct Answer:
Loiter
Note: This Question is unanswered, help us to find answer for this one
258. Loiter is a phase of what?
Answer
Correct Answer:
Flight
Note: This Question is unanswered, help us to find answer for this one
259. What type of vehicle is used in lithobraking?
Answer
Correct Answer:
Unmanned space vehicles
Note: This Question is unanswered, help us to find answer for this one
260. What is another term for liquid propellant?
Answer
Correct Answer:
Liquid-propellant rockets
Note: This Question is unanswered, help us to find answer for this one
261. What are the desirable characteristics of a liquid propellant?
Answer
Correct Answer:
Reasonably high density
Note: This Question is unanswered, help us to find answer for this one
262. What are the other types of liquid fuel besides hydrogen fuel?
Answer
Correct Answer:
Ethanol, and biodiesel
Note: This Question is unanswered, help us to find answer for this one
263. What type of engine uses liquid hydrogen to liquefy air?
Answer
Correct Answer:
Liquid air cycle engine
Note: This Question is unanswered, help us to find answer for this one
264. In a liquid air cycle engine, what do you use to liquefy the air?
Answer
Correct Answer:
Liquid hydrogen
Note: This Question is unanswered, help us to find answer for this one
265. What does "lighter than air" mean?
Answer
Correct Answer:
Materials (usually gases) that are buoyant in air
Note: This Question is unanswered, help us to find answer for this one
266. What is the average molecular mass of dry air?
Answer
Correct Answer:
28.97 g/mol
Note: This Question is unanswered, help us to find answer for this one
267. What is the acronym of the organization that funded the Lightcraft work?
Answer
Correct Answer:
Strategic Defense Initiative
Note: This Question is unanswered, help us to find answer for this one
268. What is the name of the AFRL division that funded Lightcraft research?
Answer
Correct Answer:
Advanced Concept Division
Note: This Question is unanswered, help us to find answer for this one
269. What is a lift coefficient defined as?
Answer
Correct Answer:
A dimensionless coefficient
Note: This Question is unanswered, help us to find answer for this one
270. What is the coefficient used to relate the lift generated by a lifting body to the fluid density around the body?
Answer
Correct Answer:
Lift coefficient
Note: This Question is unanswered, help us to find answer for this one
271. What is a function of the angle of a body to flow?
Answer
Correct Answer:
CL
Note: This Question is unanswered, help us to find answer for this one
272. In what direction does the lift on an airplane act to counter the force of gravity?
Answer
Correct Answer:
Upward
Note: This Question is unanswered, help us to find answer for this one
273. What is the leading edge of an airfoil section?
Answer
Correct Answer:
The part of the wing that first contacts the air
Note: This Question is unanswered, help us to find answer for this one
274. What is the part of the wing that first contacts the air?
Answer
Correct Answer:
Leading edge
Note: This Question is unanswered, help us to find answer for this one
275. What is gravitational law known as?
Answer
Correct Answer:
Universal gravitation
Note: This Question is unanswered, help us to find answer for this one
276. What does the law state that every particle attracts every other particle with?
Answer
Correct Answer:
A force
Note: This Question is unanswered, help us to find answer for this one
277. What is the term for the time period on a given day during which a particular vehicle must be launched?
Answer
Correct Answer:
Launch window
Note: This Question is unanswered, help us to find answer for this one
278. What is the chord parallel to the directrix and passing through the focus called?
Answer
Correct Answer:
Latus rectum
Note: This Question is unanswered, help us to find answer for this one
279. The length of the latus rectum is denoted by what number?
Answer
Correct Answer:
2ℓ
Note: This Question is unanswered, help us to find answer for this one
280. What is the name of the part of a conic that joins the foci?
Answer
Correct Answer:
Midpoint
Note: This Question is unanswered, help us to find answer for this one
281. What is a latus rectum?
Answer
Correct Answer:
Various parameters are associated with a conic section
Note: This Question is unanswered, help us to find answer for this one
282. What term is used to describe the line joining the foci of an ellipse or hyperbola?
Answer
Correct Answer:
Principal axis
Note: This Question is unanswered, help us to find answer for this one
283. In what area is Neptec Design Group engaged?
Answer
Correct Answer:
Space, industrial, and military
Note: This Question is unanswered, help us to find answer for this one
284. Where is Neptec Design Group based?
Answer
Correct Answer:
Ottawa
Note: This Question is unanswered, help us to find answer for this one
285. What is the purpose of a laser broom?
Answer
Correct Answer:
To sweep space debris out of the path of other artificial satellites
Note: This Question is unanswered, help us to find answer for this one
286. A laser broom would change one side of an object enough to change its orbit and make it hit what sooner?
Answer
Correct Answer:
Atmosphere
Note: This Question is unanswered, help us to find answer for this one
287. What is the term used to describe the points near two large bodies in orbit where a smaller object will maintain its position relative to the large orbiting bodies?
Answer
Correct Answer:
Lagrangian points
Note: This Question is unanswered, help us to find answer for this one
288. In what field are the Lagrangian points called Lagrange points?
Answer
Correct Answer:
Celestial mechanics
Note: This Question is unanswered, help us to find answer for this one
289. What is the purpose of Lagrangian?
Answer
Correct Answer:
Reformulation of classical mechanics
Note: This Question is unanswered, help us to find answer for this one
290. Who reworked classical mechanics?
Answer
Correct Answer:
Joseph-Louis Lagrange
Note: This Question is unanswered, help us to find answer for this one
291. What is the purpose of landing gear?
Answer
Correct Answer:
Either takeoff or landing
Note: This Question is unanswered, help us to find answer for this one
292. What is the last part of a flight?
Answer
Correct Answer:
Landing
Note: This Question is unanswered, help us to find answer for this one
293. In what part of a flight is landing?
Answer
Correct Answer:
The last part
Note: This Question is unanswered, help us to find answer for this one
294. What is a fundamental theorem in aerodynamics?
Answer
Correct Answer:
Kutta –Joukowski theorem
Note: This Question is unanswered, help us to find answer for this one
295. What does the Kutta-Joukowski theorem help calculate?
Answer
Correct Answer:
Lift of an airfoil
Note: This Question is unanswered, help us to find answer for this one
296. What is the name of the principle that is applicable to solid bodies with sharp corners?
Answer
Correct Answer:
The Kutta condition
Note: This Question is unanswered, help us to find answer for this one
297. Who is responsible for naming the Kutta condition?
Answer
Correct Answer:
Martin Kutta
Note: This Question is unanswered, help us to find answer for this one
298. What do the tethers and anchors of a kite do?
Answer
Correct Answer:
Create lift and drag
Note: This Question is unanswered, help us to find answer for this one
299. What is the English word for a tethered heavier-than-air craft with wing surfaces?
Answer
Correct Answer:
Kite
Note: This Question is unanswered, help us to find answer for this one
300. What do kites often have?
Answer
Correct Answer:
A bridle and tail
Note: This Question is unanswered, help us to find answer for this one
301. What is the mass of an object that possesses kinetic energy?
Answer
Correct Answer:
A given mass
Note: This Question is unanswered, help us to find answer for this one
302. In what decade was the Kestrel engine developed?
Answer
Correct Answer:
2000s
Note: This Question is unanswered, help us to find answer for this one
303. When was the last flight of Falcon 1?
Answer
Correct Answer:
2009
Note: This Question is unanswered, help us to find answer for this one
304. What is the name of the syndrome proposed by Donald Kessler?
Answer
Correct Answer:
Kessler syndrome
Note: This Question is unanswered, help us to find answer for this one
305. Who proposed the Kessler syndrome?
Answer
Correct Answer:
Donald J. Kessler
Note: This Question is unanswered, help us to find answer for this one
306. When was the Kessler syndrome first proposed?
Answer
Correct Answer:
1978
Note: This Question is unanswered, help us to find answer for this one
307. What is Kepler's laws of planetary motion described as being?
Answer
Correct Answer:
Three scientific laws
Note: This Question is unanswered, help us to find answer for this one
308. What are Kepler's laws of planetary motion?
Answer
Correct Answer:
Three scientific laws describing the motion of planets around the Sun
Note: This Question is unanswered, help us to find answer for this one
309. What is one of the four main design considerations in aircraft lateral stability?
Answer
Correct Answer:
Keel effect
Note: This Question is unanswered, help us to find answer for this one
310. What is a common term used to describe the keel effect?
Answer
Correct Answer:
Pendulum effect
Note: This Question is unanswered, help us to find answer for this one
311. What are air-breathing jet engines?
Answer
Correct Answer:
Turbojets, turbofans, ramjets, and pulse jets
Note: This Question is unanswered, help us to find answer for this one
312. What type of research does ISRO pursue?
Answer
Correct Answer:
Space science research
Note: This Question is unanswered, help us to find answer for this one
313. Who manages ISRO?
Answer
Correct Answer:
Department of Space
Note: This Question is unanswered, help us to find answer for this one
314. When did ISRO become part of the Department of Space?
Answer
Correct Answer:
1972
Note: This Question is unanswered, help us to find answer for this one
315. What is the term used for crewed or uncrewed travel between stars or planetary systems?
Answer
Correct Answer:
Interstellar travel
Note: This Question is unanswered, help us to find answer for this one
316. Interstellar travel is the term used for which type of travel?
Answer
Correct Answer:
Crewed or uncrewed travel
Note: This Question is unanswered, help us to find answer for this one
317. Interstellar travel is the term used for crewed or uncrewed travel between?
Answer
Correct Answer:
Stars or planetary systems
Note: This Question is unanswered, help us to find answer for this one
318. What kind of spaceflight is confined to travel between the planets of the Solar System?
Answer
Correct Answer:
Interplanetary spaceflight
Note: This Question is unanswered, help us to find answer for this one
319. What is the practice of interplanetary travel limited to?
Answer
Correct Answer:
The Solar System
Note: This Question is unanswered, help us to find answer for this one
320. What is interplanetary spaceflight usually limited to?
Answer
Correct Answer:
Travel between the planets of the Solar System
Note: This Question is unanswered, help us to find answer for this one
321. What is the name of the ITN's main component?
Answer
Correct Answer:
Interplanetary Transport Network
Note: This Question is unanswered, help us to find answer for this one
322. What does the ITN require very little of?
Answer
Correct Answer:
Energy
Note: This Question is unanswered, help us to find answer for this one
323. What is the transport network called that uses gravity to determine pathways?
Answer
Correct Answer:
Interplanetary Transport Network
Note: This Question is unanswered, help us to find answer for this one
324. The ITN is a collection of what?
Answer
Correct Answer:
Pathways through the Solar System
Note: This Question is unanswered, help us to find answer for this one
325. What are the components of an internal combustion engine called?
Answer
Correct Answer:
Pistons, turbine blades, rotor or a nozzle
Note: This Question is unanswered, help us to find answer for this one
326. What does the "air" in an internal combustion engine do?
Answer
Correct Answer:
Oxidizer
Note: This Question is unanswered, help us to find answer for this one
327. What does the oxidizer usually in an internal combustion engine usually name?
Answer
Correct Answer:
Air
Note: This Question is unanswered, help us to find answer for this one
328. What enables pilots to conduct an instrument approach to landing if they are unable to establish visual contact with the runway?
Answer
Correct Answer:
Instrument Landing System
Note: This Question is unanswered, help us to find answer for this one
329. The ILS enables pilots to do what?
Answer
Correct Answer:
Conduct an instrument approach to landing
Note: This Question is unanswered, help us to find answer for this one
330. What is indicated airspeed measured by?
Answer
Correct Answer:
Airspeed indicator
Note: This Question is unanswered, help us to find answer for this one
331. Indicated airspeed is provided by the system through?
Answer
Correct Answer:
Pitot-static
Note: This Question is unanswered, help us to find answer for this one
332. Indicated airspeed is the airspeed read directly?
Answer
Correct Answer:
The airspeed indicator
Note: This Question is unanswered, help us to find answer for this one
333. What is the goal of HyShot?
Answer
Correct Answer:
Supersonic combustion under flight conditions
Note: This Question is unanswered, help us to find answer for this one
334. What is the name of the group that is conducting the HyShot research project?
Answer
Correct Answer:
The University of Queensland, Australia Centre for Hypersonics
Note: This Question is unanswered, help us to find answer for this one
335. What company previously partnered with The University of Queensland to design the second engine?
Answer
Correct Answer:
QinetiQ
Note: This Question is unanswered, help us to find answer for this one
336. What is one example of the normal physiology?
Answer
Correct Answer:
Hypoventilation training or strenuous physical exercise
Note: This Question is unanswered, help us to find answer for this one
337. What is the condition in which the body is deprived of adequate oxygen supply at the tissue level?
Answer
Correct Answer:
Hypoxia
Note: This Question is unanswered, help us to find answer for this one
338. How is hypoxia classified?
Answer
Correct Answer:
Either generalized, affecting the whole body, or local
Note: This Question is unanswered, help us to find answer for this one
339. What do we roughly say a hyperbolic partial differential equation has?
Answer
Correct Answer:
A well-posed initial value problem
Note: This Question is unanswered, help us to find answer for this one
340. Hyperbolic partial differential equation is a PDE that has a well-posed problem for what?
Answer
Correct Answer:
First n − 1 derivatives
Note: This Question is unanswered, help us to find answer for this one
341. What are a type of differential equation?
Answer
Correct Answer:
Hyperbolic
Note: This Question is unanswered, help us to find answer for this one
342. What is the name of the equation that deals with the rate at which something grows?
Note: This Question is unanswered, help us to find answer for this one
478. What is the most common component of dual mode propulsion systems?
Answer
Correct Answer:
Hydrazine
Note: This Question is unanswered, help us to find answer for this one
479. What type of aircraft might be used for a drop test?
Answer
Correct Answer:
Powered
Note: This Question is unanswered, help us to find answer for this one
480. What are missile-powered aircraft known as after being released from their carrier aircraft?
Answer
Correct Answer:
Drop launches
Note: This Question is unanswered, help us to find answer for this one
481. The drag equation is used to calculate what?
Answer
Correct Answer:
The force of drag experienced by an object
Note: This Question is unanswered, help us to find answer for this one
482. What is the name of the formula used to calculate the force of drag experienced by an object?
Answer
Correct Answer:
Drag equation
Note: This Question is unanswered, help us to find answer for this one
483. What is the general term for drag?
Answer
Correct Answer:
Air resistance
Note: This Question is unanswered, help us to find answer for this one
484. In what area is drag called air resistance?
Answer
Correct Answer:
Fluid dynamics
Note: This Question is unanswered, help us to find answer for this one
485. What is the name of the document providing guidance for the development of airborne electronic hardware?
Answer
Correct Answer:
RTCA/DO-254
Note: This Question is unanswered, help us to find answer for this one
486. What is RTCA/DO-254?
Answer
Correct Answer:
Design Assurance Guidance for Airborne Electronic Hardware
Note: This Question is unanswered, help us to find answer for this one
487. What is the name of the guideline that deals with the safety of safety-critical software used in certain airborne systems?
Answer
Correct Answer:
DO-178B
Note: This Question is unanswered, help us to find answer for this one
488. In 2012, what replaced DO-178B?
Answer
Correct Answer:
DO-178C
Note: This Question is unanswered, help us to find answer for this one
489. What does a displacement quantify?
Answer
Correct Answer:
Both the distance and direction of an imaginary motion along a straight line
Note: This Question is unanswered, help us to find answer for this one
490. What quantifies both the distance and direction of an imaginary motion along a straight line from the initial position to the final position of the point?
Answer
Correct Answer:
A displacement
Note: This Question is unanswered, help us to find answer for this one
491. A displacement quantifies both the distance and direction of what?
Answer
Correct Answer:
Imaginary motion
Note: This Question is unanswered, help us to find answer for this one
492. What is the term used for the average pressure change across an airscrew?
Answer
Correct Answer:
Disk loading
Note: This Question is unanswered, help us to find answer for this one
493. What do helicopter main rotors and tail rotors have in common?
Answer
Correct Answer:
Airscrews with a relatively low disk loading
Note: This Question is unanswered, help us to find answer for this one
494. What is an example of an airscrew that has a relatively low disk loading?
Answer
Correct Answer:
Rotors
Note: This Question is unanswered, help us to find answer for this one
495. What is the name of a negative dihedral angle?
Answer
Correct Answer:
Anhedral angle
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496. What is the upward angle from horizontal of the wings or tailplane of a fixed-wing aircraft?
Answer
Correct Answer:
Dihedral angle
Note: This Question is unanswered, help us to find answer for this one
497. What is required for using the Digital DATCOM program?
Answer
Correct Answer:
An input file containing a geometric description of an aircraft
Note: This Question is unanswered, help us to find answer for this one
498. What does the USAF Stability and Control DATCOM do?
Answer
Correct Answer:
Calculate the static stability, control and dynamic derivative characteristics of fixed-wing aircraft
Note: This Question is unanswered, help us to find answer for this one
499. What program does the USAF Stability and Control DATCOM work with?
Answer
Correct Answer:
Digital DATCOM
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500. What does the derivative of a function of a real variable measure?
Answer
Correct Answer:
The sensitivity to change
Note: This Question is unanswered, help us to find answer for this one
501. What is another name for density?
Answer
Correct Answer:
Volumetric mass density
Note: This Question is unanswered, help us to find answer for this one
502. What is the lower case Greek letter rho called?
Answer
Correct Answer:
Ρ
Note: This Question is unanswered, help us to find answer for this one
503. What shape is similar to the delta letter?
Answer
Correct Answer:
Triangle
Note: This Question is unanswered, help us to find answer for this one
504. What is delta wing named for its similarity in shape to?
Answer
Correct Answer:
Uppercase letter delta
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505. What is the name of a type of wing?
Answer
Correct Answer:
Delta wing
Note: This Question is unanswered, help us to find answer for this one
506. What does the Tsiolkovsky rocket equation determine?
Answer
Correct Answer:
How much propellant is required
Note: This Question is unanswered, help us to find answer for this one
507. What is an estimate of the total delta-v required for a space mission?
Answer
Correct Answer:
Delta-v budget
Note: This Question is unanswered, help us to find answer for this one
508. What is the delta-v budget?
Answer
Correct Answer:
In astrodynamics and aerospace
Note: This Question is unanswered, help us to find answer for this one
509. In what units is delta-v measured?
Answer
Correct Answer:
Speed
Note: This Question is unanswered, help us to find answer for this one
510. In space, what is the impulse that needs to be given in order to perform an orbital maneuver?
Answer
Correct Answer:
Delta-v
Note: This Question is unanswered, help us to find answer for this one
511. A configuration is a set containing which of the following?
Answer
Correct Answer:
The positions of all particles of the body
Note: This Question is unanswered, help us to find answer for this one
512. What is a configuration?
Answer
Correct Answer:
A set containing the positions of all particles of the body
Note: This Question is unanswered, help us to find answer for this one
513. In what field is the transformation of a body from a reference configuration to a current configuration called deformation?
Answer
Correct Answer:
Continuum mechanics
Note: This Question is unanswered, help us to find answer for this one
514. Deformation refers to any changes in what?
Answer
Correct Answer:
The shape or size of an object
Note: This Question is unanswered, help us to find answer for this one
515. In what area of science would you find the word "deformation"?
Answer
Correct Answer:
Materials science
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516. What is a type of change in shape that materials science recognizes?
Answer
Correct Answer:
Deformation
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517. What calculation is done on beam elements?
Answer
Correct Answer:
Euler–Bernoulli beam equation
Note: This Question is unanswered, help us to find answer for this one
518. What is deflection usually measured as?
Answer
Correct Answer:
An angle or a distance
Note: This Question is unanswered, help us to find answer for this one
519. What may refer to an angle or a distance?
Answer
Correct Answer:
Deflection
Note: This Question is unanswered, help us to find answer for this one
520. What is the deflection distance of a member under a load related to?
Answer
Correct Answer:
The slope of the deflected shape of the member under that load
Note: This Question is unanswered, help us to find answer for this one
521. What is the process of calculating one's current position by using a previously determined position?
Answer
Correct Answer:
Dead reckoning
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522. What is the biological term for calculating position by dead reckoning?
Answer
Correct Answer:
Path integration
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523. How is a de Laval nozzle shaped?
Answer
Correct Answer:
Asymmetric hourglass shape
Note: This Question is unanswered, help us to find answer for this one
524. In the middle of a de Laval nozzle, what shape does it take?
Answer
Correct Answer:
Hourglass
Note: This Question is unanswered, help us to find answer for this one
525. What is the name of the stress in mechanics that remains unchanged if rotated?
Answer
Correct Answer:
Cylinder stress
Note: This Question is unanswered, help us to find answer for this one
526. What does the term "cylinder stress" refer to in the field of mechanics?
Answer
Correct Answer:
Stress distribution with rotational symmetry
Note: This Question is unanswered, help us to find answer for this one
527. In what area of study is a cylinder stress a type of stress?
Answer
Correct Answer:
Mechanics
Note: This Question is unanswered, help us to find answer for this one
528. What is the corrected speed at sea level?
Answer
Correct Answer:
Speed a component would rotate
Note: This Question is unanswered, help us to find answer for this one
529. What is the term for the speed a component would rotate at if the inlet temperature corresponded to ambient conditions at sea level?
Answer
Correct Answer:
Corrected speed
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530. What is the characteristic feature of a centrifugal compressor?
Answer
Correct Answer:
Pressure rise
Note: This Question is unanswered, help us to find answer for this one
Note: This Question is unanswered, help us to find answer for this one
564. What are the competitions called?
Answer
Correct Answer:
Centennial Challenges
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565. The canard is sometimes described as a small fore plane or a small wing that is placed where?
Answer
Correct Answer:
Forward of the main wing
Note: This Question is unanswered, help us to find answer for this one
566. What is it called when a small forewing is placed forward of a fixed-wing aircraft?
Answer
Correct Answer:
Canard
Note: This Question is unanswered, help us to find answer for this one
567. What does Cable Lacing prevent from happening along the length of the cable?
Answer
Correct Answer:
Handling problems
Note: This Question is unanswered, help us to find answer for this one
568. With which type of engines are the air bled from the cabin when flying at altitude?
Answer
Correct Answer:
Gas turbine engines
Note: This Question is unanswered, help us to find answer for this one
569. What is the process of pressurizing an aircraft's cabin?
Answer
Correct Answer:
Cabin pressurization
Note: This Question is unanswered, help us to find answer for this one
570. What is used to carry the cabin pressurization in spacecraft?
Answer
Correct Answer:
Cryogenic tanks
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571. What is the term for upward force in a fluid?
Answer
Correct Answer:
Buoyancy
Note: This Question is unanswered, help us to find answer for this one
572. What is a synonym for buoyancy?
Answer
Correct Answer:
Upthrust
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573. What is the air layer near the ground affected by diurnal heat, moisture or momentum transfer to or from?
Answer
Correct Answer:
Atmospheric boundary layer
Note: This Question is unanswered, help us to find answer for this one
574. Along with heat and moisture, what other type of transfer takes place in an atmospheric boundary layer?
Answer
Correct Answer:
Momentum
Note: This Question is unanswered, help us to find answer for this one
575. What type of heat or moisture transfer does the boundary layer of air near the ground experience?
Answer
Correct Answer:
Diurnal
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576. What does a booster rocket add to a space vehicle's payload?
Answer
Correct Answer:
Takeoff thrust
Note: This Question is unanswered, help us to find answer for this one
577. Where does bleed air come from?
Answer
Correct Answer:
The compressor stage of those engines
Note: This Question is unanswered, help us to find answer for this one
578. What is the primary function of bleed air?
Answer
Correct Answer:
Compressed air
Note: This Question is unanswered, help us to find answer for this one
579. What is the name of the air produced by gas turbine engines that is taken from the compressor stage?
Answer
Correct Answer:
Bleed air
Note: This Question is unanswered, help us to find answer for this one
580. What is a general class of launch vehicle based on?
Answer
Correct Answer:
The premise that it is cheaper to operate large rockets of simple design
Note: This Question is unanswered, help us to find answer for this one
581. Based on the premise that it is cheaper to operate, what do people refer to as a big dumb booster?
Answer
Correct Answer:
Large rockets
Note: This Question is unanswered, help us to find answer for this one
582. What is another name for the big dumb booster?
Answer
Correct Answer:
BDB
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583. The bi-elliptic transfer requires what amount of delta-v?
Answer
Correct Answer:
Less
Note: This Question is unanswered, help us to find answer for this one
584. The bi-elliptic transfer consists of two half-what?
Answer
Correct Answer:
Elliptic orbits
Note: This Question is unanswered, help us to find answer for this one
585. What does Bernoulli's principle say happens when you increase the speed of a fluid?
Answer
Correct Answer:
A decrease in pressure
Note: This Question is unanswered, help us to find answer for this one
586. In fluid dynamics, Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in what?
Answer
Correct Answer:
Pressure
Note: This Question is unanswered, help us to find answer for this one
587. What does bearing mean in navigation?
Answer
Correct Answer:
Horizontal angle between the direction of an object and another object
Note: This Question is unanswered, help us to find answer for this one
588. What is the horizontal angle between the objects?
Answer
Correct Answer:
Bearing
Note: This Question is unanswered, help us to find answer for this one
589. What is another name for beam-powered propulsion?
Answer
Correct Answer:
Directed energy propulsion
Note: This Question is unanswered, help us to find answer for this one
590. When was Ballute invented?
Answer
Correct Answer:
1958
Note: This Question is unanswered, help us to find answer for this one
591. What is a balloon not?
Answer
Correct Answer:
An airship
Note: This Question is unanswered, help us to find answer for this one
592. What is a powered aerostat?
Answer
Correct Answer:
Airship
Note: This Question is unanswered, help us to find answer for this one
593. What is an example of an axial stress?
Answer
Correct Answer:
A normal stress parallel to the axis of cylindrical symmetry
Note: This Question is unanswered, help us to find answer for this one
594. What does the normal stress parallel to the axis of cylindrical symmetry represent?
Answer
Correct Answer:
Axial stress
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595. An avionics system is used to perform what function?
Answer
Correct Answer:
Individual functions
Note: This Question is unanswered, help us to find answer for this one
596. What are the electronic systems used on aircraft, artificial satellites, and spacecraft?
Answer
Correct Answer:
Avionics
Note: This Question is unanswered, help us to find answer for this one
597. What feature allows a radio direction finder to show the relative bearing to a radio station?
Answer
Correct Answer:
Automatic direction finder
Note: This Question is unanswered, help us to find answer for this one
598. What type of equipment has an automatic direction finder?
Answer
Correct Answer:
Marine or aircraft radio-navigation instrument
Note: This Question is unanswered, help us to find answer for this one
599. What does the ADF do that a normal radio can't?
Answer
Correct Answer:
Displays the relative bearing from the ship or aircraft to a suitable radio station
Note: This Question is unanswered, help us to find answer for this one
600. What is the ADF called that displays the relative bearing from ship or aircraft?
Answer
Correct Answer:
Automatic direction finder
Note: This Question is unanswered, help us to find answer for this one
601. What is a common use of attitude control?
Answer
Correct Answer:
Controlling the orientation of an object with respect to an inertial frame of reference
Note: This Question is unanswered, help us to find answer for this one
602. What is the process of controlling the orientation of an object with respect to an inertial frame of reference?
Answer
Correct Answer:
Attitude control
Note: This Question is unanswered, help us to find answer for this one
603. What is the other type of atmospheric entry?
Answer
Correct Answer:
Controlled entry
Note: This Question is unanswered, help us to find answer for this one
604. What is the movement of an object from outer space into the gases of an atmosphere of a planet?
Answer
Correct Answer:
Atmospheric entry
Note: This Question is unanswered, help us to find answer for this one
605. What is the field of study that applies astrodynamics to spacecraft?
Answer
Correct Answer:
Orbital mechanics or astrodynamics
Note: This Question is unanswered, help us to find answer for this one
606. What are other names for asteroid?
Answer
Correct Answer:
Planetoids
Note: This Question is unanswered, help us to find answer for this one
607. What kind of Solar System objects were called asteroids?
Answer
Correct Answer:
Minor planets
Note: This Question is unanswered, help us to find answer for this one
608. A high aspect ratio is associated with what type of wing?
Answer
Correct Answer:
Long, narrow
Note: This Question is unanswered, help us to find answer for this one
609. A long, narrow wing has what property called?
Answer
Correct Answer:
High aspect ratio
Note: This Question is unanswered, help us to find answer for this one
610. What is another name for the argument of periapsis?
Answer
Correct Answer:
Argument of perifocus or argument of pericenter
Note: This Question is unanswered, help us to find answer for this one
611. What is areal velocity also called?
Answer
Correct Answer:
Sector velocity or sectorial velocity
Note: This Question is unanswered, help us to find answer for this one
612. In classical mechanics, what is?
Answer
Correct Answer:
Areal velocity
Note: This Question is unanswered, help us to find answer for this one
613. What is the most common propellant used in arcjet engines?
Answer
Correct Answer:
Hydrazine or ammonia
Note: This Question is unanswered, help us to find answer for this one
614. In addition to hydrazine, what type of propellant can be used in an arcjet rocket?
Answer
Correct Answer:
Ammonia
Note: This Question is unanswered, help us to find answer for this one
615. What is the word apsis derived from?
Answer
Correct Answer:
Latin
Note: This Question is unanswered, help us to find answer for this one
616. Apsis is an extreme in the orbit of what?
Answer
Correct Answer:
An object
Note: This Question is unanswered, help us to find answer for this one
617. What is the term used to refer to an extreme point in the orbit of an object?
Answer
Correct Answer:
Apsis
Note: This Question is unanswered, help us to find answer for this one
618. What may be converted to energy?
Answer
Correct Answer:
Rest mass of a matter/antimatter mixture
Note: This Question is unanswered, help us to find answer for this one
619. What type of rocket uses antimatter as fuel?
Answer
Correct Answer:
Antimatter rocket
Note: This Question is unanswered, help us to find answer for this one
620. What is a large-scale circulation of winds around a central region of high atmospheric pressure called?
Answer
Correct Answer:
An anticyclone
Note: This Question is unanswered, help us to find answer for this one
621. What does an anticyclone have around a central region of high pressure?
Answer
Correct Answer:
Winds
Note: This Question is unanswered, help us to find answer for this one
622. In science, what rate of rotation is the angular velocity of a particle?
Answer
Correct Answer:
Around a chosen center point
Note: This Question is unanswered, help us to find answer for this one
623. What is one example of an angular property that a particle has?
Answer
Correct Answer:
Angular velocity
Note: This Question is unanswered, help us to find answer for this one
624. What is angular momentum in physics?
Answer
Correct Answer:
Rotational equivalent of linear momentum
Note: This Question is unanswered, help us to find answer for this one
625. What is the rotational equivalent of linear momentum?
Answer
Correct Answer:
Angular momentum
Note: This Question is unanswered, help us to find answer for this one
626. What is the term for the angle between a line on a wing and the flow of air?
Answer
Correct Answer:
Angle of attack
Note: This Question is unanswered, help us to find answer for this one
627. What is the most common line used to represent air flow?
Answer
Correct Answer:
Chord line
Note: This Question is unanswered, help us to find answer for this one
628. What is the other name for angle of attack?
Answer
Correct Answer:
Α
Note: This Question is unanswered, help us to find answer for this one
629. What is used for measuring wind speed?
Answer
Correct Answer:
Anemometer
Note: This Question is unanswered, help us to find answer for this one
630. What is an anemometer used for measuring?
Answer
Correct Answer:
Wind speed
Note: This Question is unanswered, help us to find answer for this one
631. Albedo is a measure of what?
Answer
Correct Answer:
The diffuse reflection of solar radiation
Note: This Question is unanswered, help us to find answer for this one
632. What is the dimensionless measure of a planet or other astronomical body?
Answer
Correct Answer:
Albedo
Note: This Question is unanswered, help us to find answer for this one
633. What do airships gain their lift from?
Answer
Correct Answer:
Large gas bags
Note: This Question is unanswered, help us to find answer for this one
634. An airship or dirigible balloon is a type of what?
Answer
Correct Answer:
Aerostat
Note: This Question is unanswered, help us to find answer for this one
635. What is the lifting gas in airships less dense than?
Answer
Correct Answer:
The surrounding air
Note: This Question is unanswered, help us to find answer for this one
636. What is the function of an airlock?
Answer
Correct Answer:
Permits the passage of people and objects between a pressure vessel and its surroundings
Note: This Question is unanswered, help us to find answer for this one
637. How many airtight doors are in a lock?
Answer
Correct Answer:
Two
Note: This Question is unanswered, help us to find answer for this one
638. What is another term for airfoil?
Answer
Correct Answer:
Aerofoil
Note: This Question is unanswered, help us to find answer for this one
639. A conventional fixed-wing aircraft flight control system consists of flight control surfaces, the respective cockpit controls, connecting linkages, and the necessary operating mechanisms to control an aircraft's direction in flight, along with what?
Answer
Correct Answer:
Engine controls
Note: This Question is unanswered, help us to find answer for this one
640. Conventional fixed wing aircraft have what as their flight control system?
Answer
Correct Answer:
Flight control surfaces
Note: This Question is unanswered, help us to find answer for this one
641. What does an aircraft use to counter the force of gravity?
Answer
Correct Answer:
Static lift or by using the dynamic lift of an airfoil
Note: This Question is unanswered, help us to find answer for this one
642. What is the movement around the axis of an aircraft that is changing its flight path?
Answer
Correct Answer:
Rolling
Note: This Question is unanswered, help us to find answer for this one
643. What are ailerons used for?
Answer
Correct Answer:
Control the aircraft in roll
Note: This Question is unanswered, help us to find answer for this one
644. What is a aft-crossing trajectory?
Answer
Correct Answer:
An alternate flight path for a rocket
Note: This Question is unanswered, help us to find answer for this one
645. What does the rocket's rotation get slowed by?
Answer
Correct Answer:
A small parachuteattached to its tail
Note: This Question is unanswered, help us to find answer for this one
646. What is the alternate flight path for a rocket called?
Answer
Correct Answer:
Aft-crossing trajectory
Note: This Question is unanswered, help us to find answer for this one
647. What is an example of an aerostructure?
Answer
Correct Answer:
Fuselage
Note: This Question is unanswered, help us to find answer for this one
648. What is the term for the components of an aircraft's airframe?
Answer
Correct Answer:
Aerostructure
Note: This Question is unanswered, help us to find answer for this one
649. What do aerostats include?
Answer
Correct Answer:
Unpowered balloons and powered airships
Note: This Question is unanswered, help us to find answer for this one
650. Low altitudes where most missions have the greatest need for thrust are where the engine uses most of the fuel, which type of vehicle uses this type of engine?
Answer
Correct Answer:
Aerospike
Note: This Question is unanswered, help us to find answer for this one
651. What percentage of the fuel used by a vehicle with an aerospike engine is used at low altitudes?
Answer
Correct Answer:
25–30%
Note: This Question is unanswered, help us to find answer for this one
652. A vehicle with an aerospike engine uses 25-30% less fuel at what location?
Answer
Correct Answer:
Low altitudes
Note: This Question is unanswered, help us to find answer for this one
653. What is an example of an Aerospace material?
Answer
Correct Answer:
Metal alloys
Note: This Question is unanswered, help us to find answer for this one
654. What is the primary field of engineering concerned with?
Answer
Correct Answer:
Aircraft and spacecraft
Note: This Question is unanswered, help us to find answer for this one
655. What two major branches does Aerospace engineering have?
Answer
Correct Answer:
Aeronautical engineering and Astronautical Engineering
Note: This Question is unanswered, help us to find answer for this one
656. What is the primary field of engineering concerned with the development of aircraft and spacecraft?
Answer
Correct Answer:
Aerospace engineering
Note: This Question is unanswered, help us to find answer for this one
657. In which fields do aerospace bearings exist?
Answer
Correct Answer:
Commercial, private, military, or space applications
Note: This Question is unanswered, help us to find answer for this one
658. What kind of structures are included under Aerospace architecture?
Answer
Correct Answer:
Non-habitable and habitable
Note: This Question is unanswered, help us to find answer for this one
659. What field is studied by aeroelasticity?
Answer
Correct Answer:
Static aeroelasticity
Note: This Question is unanswered, help us to find answer for this one
660. In what field does recent research show applications of Aeroelasticity?
Answer
Correct Answer:
Snoring
Note: This Question is unanswered, help us to find answer for this one
661. What are some of the fields of study that aeroelasticity incorporates?
Answer
Correct Answer:
Fluid mechanics, solid mechanics, structural dynamics and dynamical systems
Note: This Question is unanswered, help us to find answer for this one
662. What type of physics studies the interactions between the inertial, elastic, and aerodynamic forces that occur when an elastic body is exposed to a fluid flow?
Answer
Correct Answer:
Aeroelasticity
Note: This Question is unanswered, help us to find answer for this one
663. What type of object is used in aerodynamics?
Answer
Correct Answer:
Solid
Note: This Question is unanswered, help us to find answer for this one
664. What is the study of the motion of air?
Answer
Correct Answer:
Aerodynamics
Note: This Question is unanswered, help us to find answer for this one
665. The maneuver reduces the speed of a spacecraft from what type of trajectory?
Answer
Correct Answer:
Hyperbolic
Note: This Question is unanswered, help us to find answer for this one
666. In what type of orbit would a spacecraft be transferred using Aerocapture?
Answer
Correct Answer:
Elliptical
Note: This Question is unanswered, help us to find answer for this one
667. What is the general name given to orbital transfer maneuvers?
Answer
Correct Answer:
Aerocapture
Note: This Question is unanswered, help us to find answer for this one
668. When do spacecraft utilize the technique of aerobraking?
Answer
Correct Answer:
After arriving at a body with an atmosphere
Note: This Question is unanswered, help us to find answer for this one
669. What does Aeolian mean?
Answer
Correct Answer:
Wind blowing over fixed objects
Note: This Question is unanswered, help us to find answer for this one
670. What does aeroacoustics study?
Answer
Correct Answer:
Noise generation
Note: This Question is unanswered, help us to find answer for this one
671. What is a field of acoustics that studies noise generation via turbulent fluid motion or aerodynamic forces interacting with surfaces?
Answer
Correct Answer:
Aeroacoustics
Note: This Question is unanswered, help us to find answer for this one
672. What is the acronym of SVS?
Answer
Correct Answer:
Advanced Space Vision System
Note: This Question is unanswered, help us to find answer for this one
673. What is the acronym for the Advanced Space Vision System?
Answer
Correct Answer:
SVS
Note: This Question is unanswered, help us to find answer for this one
674. What is generally the argument of the action?
Answer
Correct Answer:
The trajectory
Note: This Question is unanswered, help us to find answer for this one
675. What is the most common unit of action?
Answer
Correct Answer:
Joule-second
Note: This Question is unanswered, help us to find answer for this one
676. What is the rate of change of velocity of an object with respect to time?
Answer
Correct Answer:
Acceleration
Note: This Question is unanswered, help us to find answer for this one
677. What is the unit of acceleration?
Answer
Correct Answer:
Metre per second squared
Note: This Question is unanswered, help us to find answer for this one
678. What is the mathematical term for the absolute value of a number?
Answer
Correct Answer:
Modulus
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679. What is the name of the non-negative value of x without regard to its sign?
Answer
Correct Answer:
Absolute value
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680. What does the term absolute humidity describe?
Answer
Correct Answer:
Water content of air
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681. What is the water content of air described as being?
Answer
Correct Answer:
Absolute humidity
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682. What is the expression used in broadcasting?
Answer
Correct Answer:
Height above average terrain
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683. What is the technical term for height above average terrain?
Answer
Correct Answer:
HAAT
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