Applied Engineering MCQ Questions Answers

1. When production reflects consumer preferences, ________ occurs.

2. A tax on suppliers will cause the ________ schedule to shift ________.

3. In the simplest circular-flow model, households supply ________ and demand ________.

4. The event that causes a use case to begin is called a(n) _____.

5. Fitts' law states that __________ is linearly related to index of difficulty (id).

6. An object has certain ____, like the make, model, and color of a car.

7. In a data dictionary, any name other than the standard data element name is called a(n) ____.

8. ____ measures a modules scope and processing characteristics.

9. Setting queue priorities is a type of _____ decision at the operational management level.

10. An attribute whose value uniquely identifies an object is called a(n) _______.

11. _____ is a computer crime that involves destroying or disrupting computer services.

12. _______ requirements are most often documented in graphical and textual models.

13. The first step in the creation of a pert/cpm chart is to ____.

14. The mechanical advantage of the block and tackle (complex combination of fixed and moveable pulleys) pictured here is ...

15. A bicycle an example of gears that don’t have to be touching one another to work together. This is possible because of a chain that connects the gears. This chain has links in it that fit into the teeth of the gears. A gear that has teeth that fit into the links of a chain is called a ...

16. When gears are used in a gear train, the resulting effect is that each gear travels ...

17. Gears are used in combination, with the teeth of the gears interlocking, so when one moves the other moves as well. Effort can be applied to the first gear (24 teeth), with the resulting effect on the second gear (12 teeth) being a ...

18. A device that consists of a small cylinder, with a handle or a crank, is called a ...

19. The science of designing machines to suit people is called ergonomics. The primary criteria used in designing a machine ergonomically is...

20. Hockey players realize that the advantage of using a hockey stick, as a 3rd Class lever, is that the force they apply to the puck will move it ...

21. It takes 120N of force to raise the flag up the flagpole. The load is 120N. What is the mechanical advantage? ...

22. Calculate the mechanical advantage, when 736 N of force is used on a bicycle pedal, causing 81 N of force to move the bicycle forward.

23. Work is energy in action. It is measured in ...

24. In the lever above, the Effort Force is applied at E. This makes it a …

25. The Canadarm is an example of what simple machine?

26. A diving board is an example of what simple machine?

27. A simple machine that converts rotational motion to linear motion is called …

28. A teeter-totter an example of what simple machine?

29. Scissors are an example of what simple machine?

30. A hockey stick is an example of what simple machine?

31. A wheelbarrow is an example of what simple machine?

32. A unit of work in the SI system of measure.

33. The product of the force applies to an object along its direction of motion and the distance the object moves while the force is applied.

34. Define Joule

35. An arrangement of pulleys without gears with lines connected in such a way to make the movement of heavy objects easier we used in a lab.

36. Pi is correctly defined as

37. Define Foot-Pound

38. A ratio of the output work delivered by a machine to the input work done on the machine to operate it.

39. Which of the following correctly defines "Unifying Concept".

40. Define Radian

41. A force that opposes the movement of one solid in contact with another solid.

42. A wrench with an 18 inch handle turns through an angle of 2.3 radians while a force of 50 lbs. is applied to the end of the handle. How much work is done?

43. A loaded cart is pulled a distance of 100 meters by an electric truck that exerts 900 newtons of force to pull the cart at a constant speed. if the 100 meters is covered in 12 seconds, how much work is done?

44. A vertical force raises a 150 lb. box 6 ft. The amount of work done is:

45. The length of the radius of a circle measured on the circumference is one:

46. Work done by a torque is equal to the torque applied times the:

47. How much work is done while an electric motor drives a pump through 40 revolutions, given the motor delivers 150 Vxm of torque?

48. 520 Nxm of work is done when a 50 newton force is moved a distance. How far is the load moved?

49. Two hundred newtons of force are required to lift a mass 1.2 meters above the floor. How many newton.meters of work is done?

50. A vertical force raises a 200 lb. barbell 5ft. the amount of work done is:

51. How much work is being done by a person holding a 60 pound suitcase 18 inches above the floor?

52. The prime mover in an angular mechanical system is called torque which is determined by multiplying the force applied, by the lever arm. The lever arm is equal to the:

53. Which of the following is NOT an effect of mechanical work on an object?

54. Newtons of force are required to lift a mass 3.5 meters above the floor. How many newton.meters of work is done?

55. Which of the following material has the carbon varying from 4.3 to 6.67%?

56. Which of the following material has the carbon varying from 2.1 to 4.3%?

57. Which of the following reaction does not exhibit a mushy zone in the Fe-C phase diagram?

58. What is the Iron-Carbon phase diagram?

59. What is the melting point of iron (in ℃)?

60. Which of the following non-destructive testing is used to detect the change in the composition of any material?

61. Which penetrating liquid is used for the liquid penetration test?

62. Which of the following property is the fine-grained structure?

63. Which equipment can be used for the inspection of the inside portion of the hollow chamber or narrow tube?

64. Etching of specimen is done to achieve _______

65. What is the first step involved in the process of preparing test samples for microstructural examination?

66. What is the scale range of the Mohs hardness test?

67. ASTM stands for?

68. Which one of the following is least symmetrical?

69. Which of the following axis system is being satisfied by tetragonal crystal system?

70. Which of the following has less crystallinity?

71. Which metal from the following has the non-crystalline structure?

72. In which test, the specimen will be used in the form of the supported beam?

73. Which hardness test uses the steel ball as indenter?

74. What we call the resistance of a material against any external force.

75. What is the relation between eddy current damping coefficient and resistance in PMMC device?

76. Which of the following represents for torque speed characteristic for dc motor?

77. For a constant field dc motor, what is the relation between the mechanical time constant and armature resistance?

78. Which of the following is the correct conversion in an electro mechanical system?

79. Torque developed by a DC motor will be proportional to armature current.

80. Most electrical indicating instruments are electromechanical systems since ________________

81. Transfer function of force motor is _____________

82. Which of the following represents transfer function of tacho-generators?

83. Current to force and current to torque conversion is possible only for a constant current source.

84. Tacho generators are ______________

85. 20N force is acting on a 5Kg body. What will be its rate of change of velocity?

86. Transfer function of force acting on a body is given as 1/(s2 M). What will be the transfer function of a rotating body?

87. What is the equivalent quantity of capacitance in the transfer function of the viscous force?

88. What will you call the friction between a relative motion of two bodies?

89. Name the Friction which acts till the body starts moving?

90. Spring is a ___________ order system.

91. Restoring force of a spring under stress is F(s) = ____________

92. Linear and torsional springs are used to provide ________________ and __________________

93. Mass and Moment of inertia are equivalent quantities.

94. What will be the transfer function of a body of mass M, in which input quantity is force and output quantity is displacement?

95. Failure rate for safety valve working for 400 hours is 3 x 10–6 failures/hour. What is the reliability of safety valve?

96. If a relief valve has reliability of 0.989, how many failures are expected in testing 1000 such relief valves?

97. What is meant by mean time to failure (MTTF)?

98. A plain carbon steel has mean yield strength of 300 N/mm2 and standard deviation of 50 N/mm2. What is the mean and standard deviation of margin of safety, if mean tensile stress of 250 N/mm2 and standard deviation of 65 N/mm2 acts on it?

99. What causes infant mortality in mechanical equipments?

100. Which of the following statements is true for structure/speed diagrams?