Aerospace Materials & Processes MCQ
1. When was the Wright glider built?
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2. When did Orville begin testing with a glider?
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3. Where is the Wright Flyer displayed in the Smithsonian?
Answer
Correct Answer:
National Air and Space Museum
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4. Where is the Wright Flyer displayed?
Answer
Correct Answer:
National Air and Space Museum in Washington D.C.
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5. What other name is given to the Woodward effect?
Answer
Correct Answer:
Mach effect
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6. When was the Woodward effect first proposed?
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7. How much greater than the total drag a wing can generate lift?
Answer
Correct Answer:
One to two orders of magnitude
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8. What does a wing produce at a given speed and angle of attack?
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9. A wing
Answer
Correct Answer:
Lift-to-drag ratio
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10. What are wind tunnels used for?
Answer
Correct Answer:
To copy the actions of an object in flight
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11. What is closely related to the concept of a measure?
Answer
Correct Answer:
Weight functions
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12. A weight function is widely used in what application?
Answer
Correct Answer:
Statistics and analysis
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13. What type of setting can weight functions be used in?
Answer
Correct Answer:
Continuous
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14. What is a mathematical device used when performing a sum, integral, or average?
Answer
Correct Answer:
Weight function
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15. What is the force that holds an object in place?
Answer
Correct Answer:
A reaction force
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16. In what field is the weight of an object related to the amount of force acting on it?
Answer
Correct Answer:
Science and engineering
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17. What does wave drag do to an aircraft?
Answer
Correct Answer:
Present itself as a sudden and dramatic increase in drag
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18. What is the name of the component of aerodynamic drag that occurs due to the presence of shock waves?
Answer
Correct Answer:
Wave drag
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19. What would be an example of flaps?
Answer
Correct Answer:
Elevators
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20. What does a vortex generator usually attach to?
Answer
Correct Answer:
Lifting surface
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21. What type of generator is a Vortex?
Answer
Correct Answer:
Aerodynamic
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22. What does the VG create?
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23. For liquids, what does the viscosity of a fluid correspond to?
Answer
Correct Answer:
The informal concept of thickness
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24. Viscosity is a measure of a fluid
Answer
Correct Answer:
Deformation
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25. What type of instrument can be considered as a viscometer?
Answer
Correct Answer:
Rheometer
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26. What is another name for viscometer?
Answer
Correct Answer:
Viscosimeter
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27. What is the definition of velocity?
Answer
Correct Answer:
The rate of change of its position with respect to a frame of reference
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28. What is the branch of classical mechanics that describes the motion of objects?
Answer
Correct Answer:
Kinematics
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29. What is the field of kinematics?
Answer
Correct Answer:
Classical mechanics
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30. What type of engine are VASIMR thrusters?
Answer
Correct Answer:
Electrothermal
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31. What does the VASIMR
Answer
Correct Answer:
Variable Specific Impulse Magnetoplasma Rocket
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32. What was the V-2 rocket called by the Germans?
Answer
Correct Answer:
Vergeltungswaffe 2
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33. Where was the V-2 rocket developed?
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34. What is an unidentified flying object?
Answer
Correct Answer:
An object observed in the sky
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35. What is the abbreviation for two-stage-to-orbit?
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36. What is the name of a hypothetical SSTO launcher?
Answer
Correct Answer:
Single-stage-to-orbit
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37. Two stages provide what consecutively?
Answer
Correct Answer:
Propulsion
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38. What is the scientific field known as turbomachinery?
Answer
Correct Answer:
Mechanical engineering
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39. How can a rocket apply acceleration to itself?
Answer
Correct Answer:
Using thrust
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40. What is the name of the equation that describes the motion of vehicles that follow the basic principle of a rocket?
Answer
Correct Answer:
Tsiolkovsky rocket equation
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41. How many propellants are commonly used in bipropellant rockets or monopropellant rockets?
Answer
Correct Answer:
Two or one
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42. What is the most common type of rocket?
Answer
Correct Answer:
Bipropellant rocket or monopropellant rocket designs
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43. What is a tripropellant rocket?
Answer
Correct Answer:
A rocket that uses three propellants
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44. A transverse wave is a moving wave that consists of?
Answer
Correct Answer:
Oscillations occurring perpendicular (right angled) to the direction of energy transfer
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45. What are oscillations in a transverse wave in the y–z plane?
Answer
Correct Answer:
Up and down
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46. What is a transverse wave?
Answer
Correct Answer:
A moving wave that consists of oscillations occurring perpendicular (right angled) to the direction of energy transfer
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47. What is the name of the type of flight that is flying at the speed of sound?
Answer
Correct Answer:
Transonic
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48. What is the typical definition of transonic flight?
Answer
Correct Answer:
Speeds in the range of Mach 0.72 to 1.0
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49. In which field is transonic flight referred to as "transsonic"?
Answer
Correct Answer:
Aeronautics
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50. What is the purpose of a TLI?
Answer
Correct Answer:
Set a spacecraft on a trajectory that will cause it to arrive at the Moon
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51. What type of maneuver is a trans lunar injection?
Answer
Correct Answer:
Propulsive
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52. Essential flight control surfaces are attached here to control what?
Answer
Correct Answer:
The direction of the departing air flow
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53. What is an example of an aerodynamic surface?
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54. The trailing edge of an aerodynamic surface is its what?
Answer
Correct Answer:
Rear edge
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55. What is the path an object with mass in motion follows through space as a function of time?
Answer
Correct Answer:
Trajectory
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56. What is a complete trajectory defined by in classical mechanics?
Answer
Correct Answer:
Position and momentum
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57. What is the name given to the temperature in aviation measured with a probe mounted on the surface of the aircraft?
Answer
Correct Answer:
Total air temperature
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58. What sort of temperature increase is experienced by the air as it is compressed?
Answer
Correct Answer:
Adiabatic
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59. What is another name for total air temperature?
Answer
Correct Answer:
Stagnation temperature
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60. What kind of velocity was Torricelli trying to find?
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61. What does the Torricelli
Answer
Correct Answer:
Final velocity
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62. What are the main use of thrusters?
Answer
Correct Answer:
Station keeping, attitude control, in the reaction control system
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63. What are thruster used for in spacecraft and watercraft?
Answer
Correct Answer:
Station keeping, attitude control, in the reaction control system, or long-duration, low-thrust acceleration
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64. What is the rate of 1 meter per second per second?
Answer
Correct Answer:
1 kilogram of mass
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65. The force that a system applies onto a surface in a direction perpendicular or normal to the surface is also called what?
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66. What is thrust described quantitatively by?
Answer
Correct Answer:
Newton's third law
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67. What kind of physics deals with heat and temperature?
Answer
Correct Answer:
Thermodynamics
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68. What is the topic of thermodynamics?
Answer
Correct Answer:
Heat and temperature
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69. What did the TPS protect the Orbiter from during reentry?
Answer
Correct Answer:
Heat and cold of space
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70. What is the name of the system that protects the orbiter during reentry?
Answer
Correct Answer:
Thermal protection system
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71. What did the TPS protect the shuttle from during reentry?
Answer
Correct Answer:
Heat and cold
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72. In what temperature range did the TPS protect the shuttle during reentry?
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73. What was the goal of the Thermal Protection System?
Answer
Correct Answer:
Protect from the heat and cold of space
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74. Instead of rocket engines, what does tether propulsion provide cheaper access to?
Answer
Correct Answer:
Spaceflight
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75. What is the name of a long cables used for propulsion, momentum exchange, stabilization and attitude control?
Answer
Correct Answer:
Tether propulsion
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76. What are space tethers long cables which can be used for?
Answer
Correct Answer:
Propulsion
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77. What is the term used for using the long cables for propulsion and momentum exchange?
Answer
Correct Answer:
Tether propulsion
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78. Space tethers are used for what?
Answer
Correct Answer:
Propulsion
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79. What is a test target?
Answer
Correct Answer:
A test target is a common feature on interplanetary landing craft
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80. What are the interplanetary landing craft often equipped with?
Answer
Correct Answer:
Test target
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81. What does the target on the Mars Exploration Rover serve as?
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82. What is terminal velocity the highest velocity attainable by an object?
Answer
Correct Answer:
As it falls through a fluid
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83. Terminal velocity is the highest velocity obtainable by an object as it falls through what?
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84. Terminal velocity is the highest velocity attainable by an object as it falls through a fluid which is the most common example?
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85. What is the name of the scale that measures temperature in degrees Celsius?
Answer
Correct Answer:
Celsius scale
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86. What is another name for the Celsius scale?
Answer
Correct Answer:
Centigrade
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87. Who created the Euler angles?
Answer
Correct Answer:
Leonhard Euler
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88. What is the name of the aeronautical engineering description of the behavior of airflow over a wing?
Answer
Correct Answer:
Sweep theory
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89. What type of theory is sweep theory?
Answer
Correct Answer:
Aeronautical engineering
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90. What is a rate of travel of an object that exceeds the speed of sound?
Answer
Correct Answer:
Supersonic
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91. What is the name for speeds greater than five times the speed of sound?
Answer
Correct Answer:
Hypersonic
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92. What is the distance traveled per unit time by a sound wave?
Answer
Correct Answer:
The speed of sound
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93. What type of medium is used by a sound wave as it travels through it?
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94. What is the name given to the power cycle of a bipropellant rocket?
Answer
Correct Answer:
Staged combustion cycle
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95. How is the staged combustion cycle sometimes known?
Answer
Correct Answer:
Topping cycle or preburner cycle
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96. What temperature does the speed of sound in air reach its maximum value?
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97. What is the distance traveled per unit time by a sound wave through an elastic medium?
Answer
Correct Answer:
The speed of sound
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98. What is the weight flow rate divided by the generated thrust?
Answer
Correct Answer:
Specific impulse
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99. What is the standard gravity used to convert specific impulse from the mass basis to the weight basis?
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100. In Einstein
Answer
Correct Answer:
Two postulates
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Metallurgical Engineering MCQs | Topic-wise
