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Theory of Machine

Theory of Machine
The moment on the pulley which produces rotation is called

Moment of momentum
Torque
Momentum
Inertia

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Theory of Machine
Which of the following is an open pair?

Ball and socket joint
Lead screw and nut
Cam and follower
Journal bearing

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Theory of Machine
When the primary direct crank of a reciprocating engine makes an angle of 'θ' with the line of stroke, then the secondary direct crank will make an angle of _________ with the line of stroke.

4θ
2θ
θ/2
θ

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Theory of Machine
When the crank is at the inner dead center, in a reciprocating steam engine, then the acceleration of the piston will be

ω²r. n/(n - 1)
ω²r. (n + 1)/n
ω²r. n/(n + 1)
ω²r. (n - 1)/n

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Theory of Machine
In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links

Will remain same
Could change or remain unaltered depending on which link is fixed
Will change
Will not occur

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Theory of Machine
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.

Rolling
Screw
Turning
Sliding

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