Explore topic-wise MCQs in Machine Dynamics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

When the flywheel absorbs energy, its speed ________

A. Remains unaffected
B. Increases
C. Decreases
D. Goes down to 0
Answer» C. Decreases
Discussion
2.

The main function of a flywheel is to cause variations in the speed of a shaft caused by torque fluctuations.

A. True
B. False
Answer» C.
Discussion
3.

In order to reduce the heavy weight of the flywheel which of the following mechanical component is used?

A. Bearings
B. Shaft
C. Gears
D. Engine
Answer» D. Engine
Discussion
4.

The moment of inertia of a flywheel is 6500 kg-m2, from the turning moment diagram, it is found that fluctuation of energy is 56000 N-m, if mean speed is 120 rpm, find the minimum speed.

A. 121
B. 119
C. 122
D. 118
Answer» C. 122
Discussion
5.

The moment of inertia of a flywheel is 6500 kg-m2, from the turning moment diagram, it is found that fluctuation of energy is 56000 N-m, if mean speed is 120 rpm, then find maximum speed.

A. 121
B. 119
C. 122
D. 118
Answer» B. 119
Discussion
6.

If the mean speed is 3/4th of the maximum speed, the coefficient of steadiness is ______

A. 4/3
B. 3/2
C. 3/4
D. 1
Answer» C. 3/4
Discussion
7.

If the minimum speed of the engine is half the maximum speed, then coefficient of fluctuation is _____

A. 0.5
B. 1.5
C. 2
D. 0.66
Answer» E.
Discussion
8.

Coefficient of steadiness is reciprocal of coefficient of fluctuation of speed.

A. True
B. False
Answer» B. False
Discussion
9.

Coefficient of fluctuation is the ratio of ______

A. The maximum fluctuation of speed to the mean speed
B. The minimum fluctuation of speed to the mean speed
C. The maximum speed to the mean speed
D. The minimum speed to the maximum speed
Answer» B. The minimum fluctuation of speed to the mean speed
Discussion