Machine Kinematics MCQ
1. What is the radius of the base circle?
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2. What are mechanisms that move along a straight line without being guided by a plane surface?
Answer
Correct Answer:
Straight line motion mechanisms
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3. What is the time direction of the cutting stroke?
Answer
Correct Answer:
Anti-clockwise
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4. What is the input link of the four bar mechanism?
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5. When do you use a quick return mechanism?
Answer
Correct Answer:
Machine tools such as shapers and power driven saw
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6. Which type of machine tool uses quick return mechanisms?
Answer
Correct Answer:
Shapers and power driven saws
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7. What is used to connect two parallel shafts whose axes are offset by a small amount?
Answer
Correct Answer:
Inversion of double slider crank mechanism
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8. What type of kinematic chain is a single slider crank?
Answer
Correct Answer:
Double slider crank
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9. What type of chains have two turning pairs and two sliding pairs?
Answer
Correct Answer:
Double slider crank chain
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10. What are the links of the slider crank in an inversion?
Answer
Correct Answer:
2, 3 and 4
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11. What is the name of the chain with the four links?
Answer
Correct Answer:
Slider crank chain
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12. What has got combined rotary and reciprocating motion?
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13. What is the purpose of link 4?
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14. What is the name of the crankshaft type that uses two equal cranks on each side of the axle?
Answer
Correct Answer:
Double crank mechanism
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15. What type of drag link mechanism has links 1&3 are equal and parallel and links 2&4 are equal and parallel?
Answer
Correct Answer:
Crank mechanism
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16. Hat direction does link 1 make rotation?
Answer
Correct Answer:
With different velocities
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17. What is the name of the mechanism that allows links to rotate but with different velocities?
Answer
Correct Answer:
Drag link mechanism
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18. What is the name of the oscillating link in a crank-rocker mechanism?
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19. Which of the links rotates completely in the crank-rocker mechanism?
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20. Which one is fixed in a crank-rocker mechanism?
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21. A chain with one link fixed is called an what?
Answer
Correct Answer:
Mechanism
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22. What is a mechanism?
Answer
Correct Answer:
One in which one of the links of a kinematic chain is fixed
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23. What is the term for the number of inputs required to describe the configuration or position of all the links of a mechanism?
Answer
Correct Answer:
Degrees of freedom/mobility of a mechanism
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24. When all the links of a mechanism have plane motion, it is called what?
Answer
Correct Answer:
As a planar mechanism
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25. What is a planar mechanism?
Answer
Correct Answer:
When all the links of a mechanism have plane motion
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26. In addition to being a mechanism, a machine also transmits what?
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27. What are examples of instruments that are not machines?
Answer
Correct Answer:
Mechanical clock, drafter
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28. What are constrained kinematic chains called?
Answer
Correct Answer:
Mechanism
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29. What is the definition of a constrained kinematic chain?
Answer
Correct Answer:
A mechanism
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30. A kinematic chain is a group of what?
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31. What does incompletely constrained motion mean?
Answer
Correct Answer:
Relative motion between pairing elements
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32. What kind of motion is incompletely constrained?
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33. What's the term for relative motion between two elements that are in more than one direction?
Answer
Correct Answer:
Incompletely constrained motion
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34. What is the term for motion that is not achieved by the pairing elements themselves?
Answer
Correct Answer:
Successfully constrained motion
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35. What type of motion is successfully constrained?
Answer
Correct Answer:
Constrained motion
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36. How is completely constrained motion achieved?
Answer
Correct Answer:
By the pairing elements themselves
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37. What does it mean for the constrained motion to be achieved by the pairing elements themselves?
Answer
Correct Answer:
Completely constrained motion
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38. What does constrained motion mean?
Answer
Correct Answer:
In a kinematic pair, if one element has got only one definite motion relative to the other
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39. What is the motion of the element that is the object of the pair called?
Answer
Correct Answer:
Constrained motion
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40. What are examples of force closed pairs in a machine?
Answer
Correct Answer:
Cam and follower
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41. What are elements of pairs held together due to their geometry called?
Answer
Correct Answer:
Closed pair
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42. What are closed pairs called?
Answer
Correct Answer:
Form-closed or self-closed pair
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43. Closed pair are also called what?
Answer
Correct Answer:
Self-closed pair
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44. What does the length of screw pair refer to?
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45. What type of pair is a nut and a bolt?
Answer
Correct Answer:
Screw pair
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46. How many degrees of freedom does a spherical pair have?
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47. What is the total number of degrees of freedom for a rolling pair?
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48. What is the motion between the pairing elements if it is a cylindrical pair?
Answer
Correct Answer:
Turning and sliding
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49. What is the term for a single element that has two connections?
Answer
Correct Answer:
Turning pair
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50. How many elements make up a Siding Pair?
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51. What is the type of contact that occurs when the contact points are along a line?
Answer
Correct Answer:
Higher pair
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52. What is the name of the pair of members connected by the joint that has surface contact?
Answer
Correct Answer:
Lower pair
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53. What does it mean for a body to be in space?
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54. What is the number of independent coordinates required to describe the position of a body in space?
Answer
Correct Answer:
Degrees of freedom
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55. What are two members of a mechanism joined together so that the relative motion between the two is consistent?
Answer
Correct Answer:
Pairing elements
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56. What does the Quaternary link consist of?
Answer
Correct Answer:
Four points
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57. What has four connections?
Answer
Correct Answer:
Quaternary link
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58. Ternary links use three of what?
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59. What kind of link is a ternary link?
Answer
Correct Answer:
Link which is connected to other links at three points
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60. Which type of link has three points of contact?
Answer
Correct Answer:
Ternary link
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61. What is a binary link connected to?
Answer
Correct Answer:
Other links
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62. What is a link that is connected to other links at two points?
Answer
Correct Answer:
Binary link
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63. What is the name given to any body that has motion relative to another?
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64. What is exhibited by machine parts?
Answer
Correct Answer:
Translation and rotation
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65. What two parts of movement are demonstrated by machine parts?
Answer
Correct Answer:
Translation and rotation
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66. What is the line that points in a body remain at fixed distances from?
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67. What type of translation is a slider in a slider crank?
Answer
Correct Answer:
Rectilinear
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68. What is the term for a motion that all points of the body move in straight line paths?
Answer
Correct Answer:
Rectilinear translation
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69. A body has plane motion, if all its points move in planes which are what?
Answer
Correct Answer:
Parallel to some reference plane
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70. What type of study is dynamics?
Answer
Correct Answer:
Forces acting on the machine parts
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71. What is the name of the field that studies forces acting on machine parts?
Answer
Correct Answer:
Dynamics of machines
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72. The study of machines is called what?
Answer
Correct Answer:
Kinematics
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73. What type of science is mechanics?
Answer
Correct Answer:
Scientific
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74. What is the field of science that studies movement, time, and force?
Answer
Correct Answer:
Mechanics
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75. What sort of motion is periodic that can be described by position functions?
Answer
Correct Answer:
Simple harmonic motion
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76. What can be described by a position function?
Answer
Correct Answer:
Periodic motion
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77. The value of a function at each point represents the rate of what with respect to time?
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78. What does the acceleration function give for an object?
Answer
Correct Answer:
The value of the acceleration
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79. What is the second time-derivative of the position function?
Answer
Correct Answer:
Acceleration function
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80. What does the Velocity function give us?
Answer
Correct Answer:
The velocity of an object
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81. What is the time derivative of the position function?
Answer
Correct Answer:
Velocity function
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82. What is a position function called when motion occurs in one dimension?
Answer
Correct Answer:
Scalar-valued
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83. A function that outputs vectors is called what?
Answer
Correct Answer:
Vector-valued function
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84. What are scalars?
Answer
Correct Answer:
Regular numbers
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85. Most common functions are what?
Answer
Correct Answer:
Scalar-valued functions
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86. What does the gravitational acceleration of objects near the earth's surface depend on?
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87. What is the gravitational acceleration of objects near Earth's surface?
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88. What does the term instantaneous velocity mean?
Answer
Correct Answer:
The value of the velocity function at a particular instant in time
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89. What is the time interval over which the average velocity is calculated?
Answer
Correct Answer:
Specified
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90. What does the term "speed" describe?
Answer
Correct Answer:
How fast an object is moving
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91. What is an example of a measure of how fast an object is moving?
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92. What is the frame used to describe motion?
Answer
Correct Answer:
Coordinate system
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93. The coordinate system with respect to which motion is being described is known as what?
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94. What type of motion is studied by dynamics?
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95. What does dynamics study?
Answer
Correct Answer:
Why objects move the way they do
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96. A man ran a distance of how many meters?
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97. What did the man
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98. An objects total change in position is called what?
Answer
Correct Answer:
Displacement
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99. What is Kinematics concerned with describing?
Answer
Correct Answer:
The way in which objects move
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100. What area of physics deals with the movement of objects?
Answer
Correct Answer:
Kinematics
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Aerospace & Aeronautical Engineering MCQs | Topic-wise
