Dynamics of Machinery (3151911) MCQs

MCQs of Turning moment diagrams and flywheel

Showing 11 to 20 out of 74 Questions
1 2 3 4 5 6
11.

Flywheels are used in punching and shear operation.

(a)

True
(b)

False
Answer:

Option (a)

12.

The flywheel is generally made from

(a)

cast iron
(b)

high strength steel
(c)

ceramics
(d)

all of the mentioned
Answer:

Option (d)

13.

Which of the following is (are) true?

(a)

Cast iron has poor tensile strength compared to steel
(b)

Failure of cast iron flywheel is sudden and total
(c)

The machinability of cast iron flywheel is poor compared to steel flywheel
(d)

All of the mentioned
Answer:

Option (d)

14.

Is the use of a flywheel recommended when a large motor is required only for a small instant of time?

(a)

True
(b)

False
Answer:

Option (a)

15.

A flywheel is used to control the mean speed of an engine caused by the variations in load.

(a)

Correct
(b)

Incorrect
Answer:

Option (b)

16.

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:

Option (b)

17.

The function of a flywheel is

(a)

to convert the reciprocating motion of the piston into rotary motion
(b)

to convert the rotary motion of the crankshaft into to and fro motion of the valve rod
(c)

to prevent fluctuation of speed
(d)

to keep the engine speed uniform at all load conditions
Answer:

Option (c)

18.

In the rim type of flywheel, the major mass is

(a)

concentrated around the periphery
(b)

concentrated at the center
(c)

contributed due to arms
(d)

ineffective
Answer:

Option (a)

19.

A split flywheel is made to

(a)

minimize large centrifugal forces
(b)

reduce weight
(c)

avoid cooling stresses
(d)

all of the mentioned
Answer:

Option (c)

20.

When comes down to stress reduction, which one is preferred?

(a)

Solid flywheel
(b)

Split flywheel
(c)

Both have equal stresses
(d)

Cannot be determined
Answer:

Option (b)

Showing 11 to 20 out of 74 Questions
1 2 3 4 5 6