10,000+ Mechanical Engineering MCQ with Answers Pdf - 1

Question: 1

For two meshing gears, their

(A) module must be same

(B) dedendum must be same

(C) addendum must be same

(D) number of teeth must be same

Ans: A

module must be same

Question: 2

Gears of watches are generally manufactured by

(A) stamping

(B) machining on a hobber

(C) machining on a gear shaper

(D) die casting

Ans: A

stamping

Question: 3

The differential gear in the automobiles is used to

(A) help in turning

(B) provide jerk free movement of vehicle

(C) reduce speed

(D) assist in changing speed

Ans: A

help in turning

Question: 4

A stretched string of a guitar when operated, is subjected to

(A) damped vibrations

(B) free vibrations

(C) forced torsional vibrations

(D) forced transverse vibrations

Ans: D

forced transverse vibrations

Question: 5

Creep in belts due to

(A) differential elongation of belt due to difference in tension on two sides of a pulley

(B) elongation of belt due to tension

(C) plasticity of belt material

(D) elasticity of belt material

Ans: A

differential elongation of belt due to difference in tension on two sides of a pulley

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