6. When the axes of the first and last wheels are co-axial, then the train is known as?

A. simple train of wheels

B. compound train of wheels

C. reverted gear train

D. epicyclic gear train

View Answer/Explanation

Correct Answer is C

7. In vibration isolation system, if ω/ωn < 2, then for all values of damping factor, the transmissibility will be (where ω = angular speed of the system, ωn = natural frequency of vibration of the system)?

A. zero

B. greater than 1

C. less than 1

D. equal to 1

View Answer/Explanation

Correct Answer is B

9. The mechanism in which two are turning pairs and two are sliding pairs is called –

A. elliptical trammel

B. Scotch yoke mechanism

C. double slider crank chain

D. All of these

View Answer/Explanation

Correct Answer is D

10. The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is –

A. ½ × μ W R cosec α

B. 2/3 × μ W R cosec α

C. μ W R cosec α

D. ¾ × μ W R cosec α

View Answer/Explanation

Correct Answer is A

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