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2. What is the definition of the Mach Number?
Answer
Correct Answer:
An introduction to and a definition of the Mach Number
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3. What is the Mach number of an object when traveling through a medium?
Answer
Correct Answer:
The ratio of the object's speed to the speed of sound in that medium
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4. What is the ratio of the object's speed to the speed of sound in that medium?
Answer
Correct Answer:
Mach number
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5. Which Italian mathematician developed the three laws of fluid continuity?
Answer
Correct Answer:
Euler
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6. What is lift?
Answer
Correct Answer:
The sum of all the aerodynamic forces normal to the direction of the external airflow
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7. What is the term for the sum of all the aerodynamic forces normal to the direction of the external airflow?
Answer
Correct Answer:
Lift
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8. What does the term "gravitational, electric, and fluid potentials" describe?
Answer
Correct Answer:
The behavior of gravitational, electric, and fluid potentials
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9. What are three types of flow?
Answer
Correct Answer:
Laminar, transitional or turbulent
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10. What are dimensionsless speed models used for?
Answer
Correct Answer:
Used by modelers who wish to non dimensionless speed
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11. What people use dimensionless speed?
Answer
Correct Answer:
Modelers
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12. What is the name of the constant that is common in fluid mechanics and thermodynamics?
Answer
Correct Answer:
Individual and Universal Gas Constant
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13. What is the name of the book that explains the constants?
Answer
Correct Answer:
The Individual and Universal Gas Constant
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14. When calculating density, what must be given special attention?
Answer
Correct Answer:
Properties of Gas Mixtures
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15. What must be done when calculating properties of gas mixtures?
Answer
Correct Answer:
Special care must be taken
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16. What is the name of the law that tells us the change in density is directly related to the change in temperature and pressure?
Answer
Correct Answer:
Ideal Gas Law
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17. In the ideal or perfect gas law, what is related to the change in temperature and pressure?
Answer
Correct Answer:
Density
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18. What is the fluid dynamics applied to?
Answer
Correct Answer:
Liquids, such as water, alcohol, and oil
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19. What is the fluid dynamics applied to liquids like?
Answer
Correct Answer:
Hydrodynamics
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20. What is the relationship between hydraulics and liquids?
Answer
Correct Answer:
Mechanical tasks
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21. What is the name of the constant found in both fluid mechanics and thermodynamics?
Answer
Correct Answer:
The Individual and Universal Gas Constant
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22. In what field is the Individual and Universal Gas Constant common?
Answer
Correct Answer:
Fluid mechanics and thermodynamics
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23. What is the name of the law that must be taken care when working with gas mixtures?
Answer
Correct Answer:
Ideal gas law
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24. What is the name of the law that describes the change in density when you change the temperature and pressure of an ideal gas?
Answer
Correct Answer:
Ideal Gas Law
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25. The Ideal Gas Law states that changes in density are related to changes in temperature and pressure in what way?
Answer
Correct Answer:
Directly
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26. What is the Froude Number?
Answer
Correct Answer:
An introduction to and a definition of the Froude Number
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27. What number is used to measure the average velocity of a body?
Answer
Correct Answer:
Froude Number
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28. What is the term used to describe the three types of fluid flow?
Answer
Correct Answer:
Laminar, transitional or turbulent
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29. Which equations are found in Fluid Mechanics?
Answer
Correct Answer:
Continuity, Euler, Bernoulli, Dynamic and Total Pressure
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30. What three types of energy are considered in Bernoulli Equation?
Answer
Correct Answer:
Pressure, potential and kinetic
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31. What is the Bernoulli Equation useful for solving?
Answer
Correct Answer:
Problems involving fluids
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32. What is a turbine used for?
Answer
Correct Answer:
Fluid Flow Measurement
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33. What are orifices?
Answer
Correct Answer:
Fluid Flow Measurement - An introduction to different types of fluid flowmeters - Orifices
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34. What type of information is available on fluid flow-meters?
Answer
Correct Answer:
Tools and information regarding
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35. What type of meter is used to measure flow?
Answer
Correct Answer:
Fluid Flow-meters
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36. What is the difference between Cv and Kv?
Answer
Correct Answer:
The difference between the flow coefficient Cv and Kv.
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37. What number is used to describe the fact that the numbers on a domino are the same as the numbers on the next domino in line?
Answer
Correct Answer:
Euler Number
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38. What is the name of the Euler Number?
Answer
Correct Answer:
An introduction to and a definition of the Euler Number
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39. What is density?
Answer
Correct Answer:
An introduction and definition of density
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40. What are density, specific weight and specific gravity?
Answer
Correct Answer:
An introduction and definition of density, specific weight and specific gravity. Formulas with examples
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41. How much loss is due to friction in pipes and ducts?
Answer
Correct Answer:
Major loss
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42. What is the major loss - head loss or pressure loss - due to friction in pipes and ducts?
Answer
Correct Answer:
Pressure Loss and Head Loss
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43. What does pressure loss due to friction in pipes and ducts mean?
Answer
Correct Answer:
Major loss - head loss or pressure loss
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44. What is the law of conservation of mass?
Answer
Correct Answer:
The law of conservation of mass states that mass can neither be created or destroyed.
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45. What does "conservation of mass" mean?
Answer
Correct Answer:
The law of conservation of mass states that mass can neither be created or destroyed
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46. Conservation of what?
Answer
Correct Answer:
Energy
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47. Conservation of mass, including energy, is referred to as what?
Answer
Correct Answer:
Conservation of energy
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48. What does the term "conservation laws" mean?
Answer
Correct Answer:
Properties
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49. Conservation laws state that particular measurable properties of an isolated system doesn't change what?
Answer
Correct Answer:
As the system evolves
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50. The Coanda Effect is what type of force?
Answer
Correct Answer:
Tendency of a stream of fluid
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51. What is the Coanda Effect?
Answer
Correct Answer:
The tendency of a stream of fluid to stay attached to a convex surface
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52. What is the name of the constant commonly used in fluid mechanics and thermodynamics?
Answer
Correct Answer:
The Individual and Universal Gas Constant
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53. What field is concerned with the relationship between temperature and volume?
Answer
Correct Answer:
Fluid mechanics and thermodynamics
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54. What must be done differently for gas mixtures than for ideal gases?
Answer
Correct Answer:
Calculating the mass
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55. What is the name of the law that states that the change in density of a gas is related to the change in temperature and pressure?
Answer
Correct Answer:
Ideal Gas Law
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56. What does the Ideal Gas Law say about the change in density with changes in temperature or pressure?
Answer
Correct Answer:
Directly related
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57. If a fluid is compressible, what must be considered?
Answer
Correct Answer:
Compressibility
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58. The compressibility of the fluid must be considered when what type of flow is involved?
Answer
Correct Answer:
Compressible
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59. Roughly how many stages of control valve are typically used?
Answer
Correct Answer:
Multi stage control valves
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60. What do control valves do?
Answer
Correct Answer:
Cavitation
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61. What is NPSH?
Answer
Correct Answer:
Net Positive Suction Head
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62. How many different kinds of viscosity are there?
Answer
Correct Answer:
Dynamic, Absolute and Kinematic Viscosity
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63. What are cSt, cP, SSU and ESU?
Answer
Correct Answer:
CentiStokes
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64. What is the term for the layer of fluid in the immediate vicinity of a bounding surface?
Answer
Correct Answer:
Boundary layer
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65. The boundary layer is the layer of fluid in the immediate vicinity of what?
Answer
Correct Answer:
A bounding surface
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66. The Bernoulli's Equation describes the behavior of what?
Answer
Correct Answer:
Moving fluids
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67. What equation describes the behavior of moving fluids along a streamline?
Answer
Correct Answer:
Bernoulli's Equation
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68. What type of mathematics is involved in aeronautics?
Answer
Correct Answer:
Mechanics
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69. What is the mathematics and mechanics of flying objects?
Answer
Correct Answer:
Aeronautics
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70. The Ideal Gas Law is what suggests that the change in density is directly related to the change in temperature and pressure?
Answer
Correct Answer:
For a perfect or ideal gas
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71. What is the name of the law that describes the relationship between the change in density and the change in temperature and pressure for an ideal gas?
Answer
Correct Answer:
Ideal Gas Law
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72. What type of flow is studied by aerodynamics?
Answer
Correct Answer:
Gases
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73. What type of science studies the flow of gases?
Answer
Correct Answer:
Aerodynamics
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74. What is a term that is related to Acoustical Engineering?
Answer
Correct Answer:
Explains to architects and engineers the basic science of acoustics
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75. What is the basic science of acoustics?
Answer
Correct Answer:
Acoustical Engineering
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76. What type of theory is acoustic theory?
Answer
Correct Answer:
Mathematical
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77. Relating to mathematical description of sound waves, what is the field called that deals with acoustics?
Answer
Correct Answer:
Acoustic theory
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78. What is another name for a matrix?
Answer
Correct Answer:
Zero (scalar), one (vector), two (usual matrix), or higher number of dimensions
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79. In what type of representation do a tensor can be represented as?
Answer
Correct Answer:
Multi-dimensional array
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80. What type of Point values don't have a direction?
Answer
Correct Answer:
Scalars
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81. What type of indexing is used in products of repeated indices?
Answer
Correct Answer:
Summation
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82. What is the index representation of the inner or dot product?
Answer
Correct Answer:
Repeated Index
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83. What can you not do when using repeated indices?
Answer
Correct Answer:
Repeat an index
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84. What does change sign under an orientation reversing coordinate?
Answer
Correct Answer:
Pseudo Tensor
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85. What do you convert from a pseudo tensor to a physical tensor?
Answer
Correct Answer:
Multiplication
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86. What doesn't depend on the coordinate system you use?
Answer
Correct Answer:
The sign of a physical tensor
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87. What is a good example of a physical tensor?
Answer
Correct Answer:
Position
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88. The Kronecker delta function is one if the indices are what?
Answer
Correct Answer:
Equal
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89. What are all scalars?
Answer
Correct Answer:
Isotropic
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90. What is the name of the language used to describe vectors, tensors, and fluid mechanics?
Answer
Correct Answer:
Einstein Notation
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91. What is another name for Einstein Notation?
Answer
Correct Answer:
Index Notation
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92. What are the front and the back of a body reflections of each other?
Answer
Correct Answer:
A cylinder or a football
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93. What direction is y=r-R?
Answer
Correct Answer:
Normal
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94. What is the limit where R<<1?
Answer
Correct Answer:
Flat Earth Limit
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95. A body of revolution is an example of what?
Answer
Correct Answer:
Structured fluid
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96. What kind of fluid has an orientation vector?
Answer
Correct Answer:
Structured
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97. What is the product of the gradient operator with a vector?
Answer
Correct Answer:
Curl Cross
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98. What is the length of the product vector produced by the cross product?
Answer
Correct Answer:
Proportional to
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99. What is an example of a closed 2-D curve?
Answer
Correct Answer:
Ellipse
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100. If the tensor is anti-symmetric with respect to its first two indices, what does Aijk mean?
Answer
Correct Answer:
Aijk = "Ajik
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