Dynamics of Machinery (3151911) MCQ

MCQs of Turning moment diagrams and flywheel

MCQ No - 1

Which of the following is used to control the speed variations of the engine caused by the fluctuations of the engine turning moment?

(A)

D-slide valve

(B)

Governor

(C)

Flywheel

(D)

Meyer's expansion valve


C
MCQ No - 2

Which of the following are functions of the flywheel?

(A)

Store and release energy during the work cycle

(B)

Reduce the power capacity of the electric motor

(C)

Reduce amplitude of speed fluctuations

(D)

All of the listed


D
MCQ No - 3

The maximum fluctuation of energy is the

(A)

sum of maximum and minimum energies

(B)

difference between the maximum and minimum energies

(C)

the ratio of the maximum energy and minimum energy

(D)

the ratio of the mean resisting torque to the work done per cycle


B
MCQ No - 4

The coefficient of fluctuation of energy is the ratio of maximum energy to the minimum energy.

(A)

True

(B)

False


B
MCQ No - 5

In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

(A)

fluctuation of energy

(B)

maximum fluctuation of energy

(C)

coefficient of fluctuation of energy

(D)

none of the above


A