Dynamics of Machinery (2161901) MCQ

MCQs of Introduction to Mechanical Vibrations

MCQ No - 1

When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

(A) simple pendulum
(B) torsional pendulum
(C) compound pendulum
(D) second’s pendulum

C
MCQ No - 2

The time interval after which the motion is repeated itself is known as ___________ .

(A) time period
(B) cycle
(C) frequency
(D) isolation

A
MCQ No - 3

Frequency of vibrations is usually expressed in

(A) number of cycles per hour
(B) number of cycles per minute
(C) number of cycles per second
(D) None of these

C
MCQ No - 4

What is the effect on the undamped natural frequency of a single-degree-of-freedom system if the mass of the system is increased?

(A) The frequency will increase
(B) The frequency will stay the same
(C) The frequency will decrease
(D) None of these

C
MCQ No - 5

The motion completed during one time period is known as _______.

(A) period of vibration
(B) cycle
(C) frequency
(D) all of the above

B