Here we are providing you THEORY OF MACHINES MULTIPLE CHOICE QUESTIONS WITH ANSWER. This is useful for GATE exam and also useful for all technical related government EXAM. You may download this below the post.

         Theory of Machines is an applied science of the relationships between geometry and relative motion of the parts of the machine, and concerns to the forces which act on those parts. It involves analysis as well as synthesis.

The subject Theory of Machines may be defined as that branch of Engineering-science, which deals with the study of relative motion between the various parts of a machine, and forces which act on them. The knowledge of this subject is very essential for an engineer in designing the various parts of a machine. 

1. In an ideal machine, the output as compared to input is

(a) less

(b) more

(c) equal

(d) may be less or more depending on efficiency

(e) always less.

Ans: c

2. Governor is used in automobile to

(a) decrease the variation of speed

(b) to control

(c) to control SN

(d) all of the above

(e) none of the above.

Ans: c

3. In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed

(a) Hartung governor

(b) Wilson Hartnell governor

(c) Pickering governor

(d) Inertia governor

(e) none of the above.

Ans: c

4. For fluctuating loads, welsuited bearing is

(a) ball bearing

(b) roller bearing

(c) needle roller bearing

(d) thrust bearing

(e) sleeve bearing.

Ans: c

5. Crowning on pulleys helps

(a) in increasing velocity ratio

(b) in decreasing the slip of the belt

(c) for automatic adjustment of belt posi-tion so that belt runs centrally

(d) increase belt and pulley life

(e) none of the above.

Ans: c

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