Theory of Machine Objective Questions

These Theory of Machine Objective Questions are very important for the competitive exams like SSC JE, RRB, GATE, ISRO, DRDO, and all other competitive exams.

All these Theory of Machine Objective Questions are from the previous years’ papers of one of the exams mentioned before.

1. For high-speed engines, the cam follower should move with-

A. uniform acceleration and retardation

B. simple harmonic motion

C. cycloidal motion

D. uniform velocity

Click for Answer/Explanation

Correct Answer is C

2. The gears are termed as medium velocity gears if their peripheral velocity is –

A. 1 – 3 m/s

B. 3 – 15 m/s

C. 15 – 30 m/s

D. 30 – 50 m/s

Click for Answer/Explanation

Correct Answer is B

3. The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations.

A. less than

B. more than

C. equal to

D. Can’t say

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Correct Answer is A

4. The Whit-worth quick return motion mechanism is formed in a slider-crank chain when the –

A. slider is a fixed link

B. longest link is a fixed link

C. smallest link is a fixed link

D. coupler link is fixed

Click for Answer/Explanation

Correct Answer is D

Read More: Theory of Machines: Simple Mechanisms Notes-02

5. In order to balance the reciprocating masses –

A. primary forces and couples must be balanced

B. secondary forces and couples must be balanced

C. Both (A) and (B)

D. None of these

Click for Answer/Explanation

Correct Answer is C

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