Kinematics and Theory of Machines (3131906) MCQs

MCQs of Belt, Ropes and Chains

Showing 21 to 30 out of 47 Questions
1 2 3 4 5
21.

Creep in belt drive is due to ______.

(a)

weak material of the belt
(b)

weak material of the pulley
(c)

uneven extensions and contractions of the belt when it passes from tight side to slack side
(d)

expansion of the belt
Answer:

Option (c)

22.

 The groove angle of the pulley for V-belt drive is usually ______.

(a)

20° – 25°
(b)

25° – 32°
(c)

32° – 38°
(d)

38° – 45°
Answer:

Option (c)

23.

A V-belt designated by A-914-50 denotes ______.

(a)

a standard belt
(b)

an oversize belt
(c)

an undersize belt
(d)

a non-standard belt
Answer:

Option (a)

24.

The wire ropes make contact at ______.

(a)

bottom of groove of the pulley
(b)

sides of groove of the pulley
(c)

sides and bottom of groove of the pulley
(d)

any where in the groove of the pulley
Answer:

Option (a)

25.

What is the purpose of using steel chains?

(a)

To avoid slipping
(b)

To avoid friction
(c)

To avoid accelerated motion
(d)

To avoid jerks
Answer:

Option (a)

26.

The toothed wheels in chain drives are known as ______.

(a)

sprockets
(b)

sprockers
(c)

gears
(d)

pulleys
Answer:

Option (a)

27.

The distance between hinge centers of two corresponding links is known as _______.

(a)

pitch
(b)

pitch circle diameter
(c)

sprocket length
(d)

sprocket diameter
Answer:

Option (a)

28.

The diameter of the circle on which the hinge centers of the chain lie is known as _______.

(a)

pitch
(b)

pitch circle diameter
(c)

sprocket diameter
(d)

sprocket length
Answer:

Option (b)

29.

Which of the following chains fall under the category of hoisting and hauling chains?

(a)

Chain with oval links
(b)

Closed joint chain
(c)

Detachable chain
(d)

Block chain
Answer:

Option (a)

30.

Which of the following chain is used to provide elevation continuously?

(a)

Conveyor chains
(b)

Power transmitting chains
(c)

Hoisting chains
(d)

Hauling chains
Answer:

Option (a)

Showing 21 to 30 out of 47 Questions
1 2 3 4 5