multiple choice questions on gears, vibration, Governor etc.

Q.1 At node of the shaft , vibration are __.

A. Zero

B. Corresponding to natural frequency

C. Minimum

D. Maximum

Ans-: B

Q.2 The following numbers of nodes will have a shaft if it carrying two rotors at ends?

A. 1

B. 3

C. Zero

D. 2

Ans-: A

Q.3 Following degree of freedom a vibrating beam has ?

A. Zero

B. 1

C. 2

D. 3

Ans-: C

Q.4 The type of teeth provided on a gear used in sugar crushing machinery is ____.

A. Paraboloid

B. Involute

C. Hyperboloid

D. Cycloidal

Ans-: D

Q.5 A shaft carrying three rotors will have the following number of nodes ?

A. 2

B. 3

C. 5

D. 10

Ans-: A

Q.6 The following number of natural frequen-cies a three rotor system has ?

A. 1

B. 2

C. 3

D. 4

Ans-: B

Q.7 The ratio of mean speed of governor to governor speed range is known as ____.

A. Governor ratio

B. Sensitivity of Governor

C. Efficiency of Governor

D. Working capacity of Governor

Ans-: B

Q.8 What is the name given to gear trains where the axes of gears have motion?

A. Reverted gear train

B. Cycloidal gear train

C. Epicyclic gear train

D. None of the above

Ans-: C

Q.9 Scott-Russel Mechanism is used for generating a ______.

A. Circular path

B. Angular path

C. Straight line

D. Rectangular shape

Ans-: C

Q.10 Fast pulley used to transmit the _____.

A. Power

B. Energy

C. Work

D. Material

Ans-: A