Theory of Machines

101. The example of rolling pair is

1. bolt and nut
2. lead screw of a lathe
3. ball and socket joint
4. ball bearing and roller bearing
5. all of the above.

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102. The example of spherical pair is

1. bolt and nut
2. lead screw of a lathe
3. ball and socket joint
4. ball bearing and roller bearing
5. none of the above.

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103. The following is the inversion of slider crank chain mechanism

1. Whitworth quick return mechanism
2. hand pump
3. oscillating cylinder engine
4. all of the above
5. none of the above.

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104. The frequency of oscillation at compared to earth will be

1. 6 times more
2. 6 times less
3. 2.44 times more
4. 2.44 times,less
5. 36 times less.

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105. The Hooke's joint consists of :

1. two forks
2. one fork
3. three forks
4. four forks
5. five forks.

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106. The indicator using Watt mechanism is known as

1. Thompson indicator
2. Richard indicator
3. Simplex indicator
4. Thomson indicator
5. none of the above.

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107. The Klein's method of construction for reciprocating engine mechanism

1. is based on acceleration diagram
2. is a simplified form of instantaneous center method
3. utilises a quadrilateral similar to the diagram of mechanism for reciprocating engine
4. enables determination of Corioli's component
5. none of the above.

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108. The locus of a point on a thread unwound from a cylinder will be

1. a straight line
2. a circle
3. involute
4. cycloidal
5. helix.

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109. The lower pair is a

1. open pair
2. closed pair
3. sliding pair
4. point contact pair
5. does not exist.

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110. The magnitude of tangential acceleration is equal to

1. velocity2 x crank radius
2. velocityvcrankradius
3. (velocity/crankradius)
4. velocity x crank radius2
5. none of the above.

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