Theory of Machines Multiple Choice Questions and Answers Pdf - 1

Question: 1

A vibrating system is said to be stable if

(A) The total energy in the system does not change with time

(B) Only transient increases indefinitely with time

(C) The amplitude of vibration does not change with time

(D) The amplitude of vibration decreases with time

Question: 2

At critical speed

(A) The shaft becomes dynamically unstable with large lateral amplitudes

(B) The shaft becomes dynamically unstable with negligible lateral amplitudes

(C) The shaft runs with noise due to vibrations

(D) The shaft runs smoothly

Question: 3

Two gears are said to have a conjugate motion if

(A) They have constant angular velocity

(B) They have very high fluctuating angular velocity

(C) They have variable angular velocity

(D) They have a very small fluctuating angular velocity

Question: 4

In a car transmission losses will be least in which gear?

(A) First gear

(B) Second gear

(C) Third gear

(D) Direct gear

Question: 5

Which of the following is the type of pendulum governor?

(A) Hartnell governor

(B) Watt governor

(C) Porter governor

(D) Proell governor