MCQs of Turning moment diagrams and flywheel (Dynamics of Machinery - 3151911)

Showing 21 to 30 out of 74 Questions

21.

Due to the centrifugal force acting on the rim, the flywheel arms will be subjected to

22.

The tensile stress in the flywheel rim due to the centrifugal force acting on the rim is given by

23.

The cross-section of the flywheel arms is usually

24.

In order to find the maximum bending moment on the arms, it is assumed as a

(a)	simply supported beam carrying a uniformly distributed load over the arm
(b)	fixed at both ends (i.e. at the hub and at the free end of the rim) and carrying a uniformly distributed load over the arm.
(c)	cantilever beam fixed at the hub and carrying a concentrated load at the free end of the rim
(d)	none of the mentioned

25.

The diameter of the hub of the flywheel is usually taken

(a)	equal to the diameter of the shaft
(b)	twice the diameter of the shaft
(c)	three times the diameter of the shaft
(d)	four times the diameter of the shaft

26.

The flywheel and governor can be interchanged.

(a)	True
(b)	False

27.

Which of the following doesn’t waste energy?

(a)	Flywheel
(b)	Governor
(c)	Both flywheel and governor
(d)	Neither flywheel nor governor

28.

If the load on the engine is constant, the mean speed will be constant and ___ will not operate.

29.

The operation of the flywheel is continuous.

(a)	True
(b)	False

30.

When the torque required by the machine is more than the torque supplied by the motor, the flywheel is

(a)	accelerated
(b)	retarded
(c)	rotating with constant speed
(d)	any of the mentioned

Showing 21 to 30 out of 74 Questions