Dynamics of Machinery (3151911) MCQs

MCQs of Turning moment diagrams and flywheel

Showing 1 to 10 out of 74 Questions
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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
Answer:

Option (c)

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
Answer:

Option (d)

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
Answer:

Option (b)

4.

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

(a)

True
(b)

False
Answer:

Option (b)

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
Answer:

Option (a)

6.

The ratio of the maximum fluctuation of speed to the mean speed is called

(a)

fluctuation of speed
(b)

maximum fluctuation of speed
(c)

coefficient of fluctuation of speed
(d)

none of the above
Answer:

Option (c)

7.

The maximum fluctuation of energy in a flywheel is equal to

(a)

I.ωω1-ω2
(b)

I.ω2.CS
(c)

2E.CS
(d)

all of the mentioned
Answer:

Option (d)

8.

Energy is stored in a flywheel in the form of

(a)

heat energy
(b)

solar energy
(c)

kinetic energy
(d)

potential energy
Answer:

Option (c)

9.

In vehicle, the flywheel is placed in between

(a)

engine and clutch
(b)

clutch and propeller shaft
(c)

propeller shaft and differential
(d)

before engine
Answer:

Option (a)

10.

The flywheel is used in

(a)

drilling machine
(b)

punch press
(c)

surface grinder
(d)

milling machine
Answer:

Option (b)

Showing 1 to 10 out of 74 Questions
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