Kinematics and Theory of Machines (3131906) MCQs

MCQs of Belt, Ropes and Chains

Showing 31 to 40 out of 47 Questions
31.

Which of the following chains are used for transmission of power, when the distance between the centers of shafts is short?

(a)

Chain with oval links

(b)

Closed joint chain

(c)

Detachable chain

(d)

Block chain

Answer:

Option (d)

32.

Which one of the following is a positive drive?

(a)

Crossed flat belt drive

(b)

Rope drive

(c)

V-belt drive

(d)

Chain drive

Answer:

Option (d)

33.

The chain drive transmits ____________ power as compared to belt drive.

(a)

more

(b)

less

(c)

equal

(d)

depends on many factors

Answer:

Option (a)

34.

In order to have a smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be ______.

(a)

15

(b)

17

(c)

21

(d)

25

Answer:

Option (b)

35.

The speed of the sprocket reduces as the chain pitch _____________ for a given number of teeth.

(a)

increases

(b)

decreases

(c)

remains same

(d)

can't say

Answer:

Option (a)

36.

Which of the following is usually not used where the distance between the shaft is large?

(a)

Belt

(b)

Rope

(c)

Chain

(d)

Gear

Answer:

Option (d)

37.

A crossed belt drive is used when the driven pulley is to be rotated in the _______ direction to that of the driving pulley.

(a)

same

(b)

opposite 

(c)

either same or opposite

(d)

neither same nor opposite

Answer:

Option (b)

38.

_______ is used to connect two non-parallel shafts for power transmission.

(a)

Open belt drive

(b)

Crossed belt drive

(c)

Quarter turn belt drive

(d)

Compound belt drive

Answer:

Option (c)

39.

_______ is used for changing the speed of the driven shaft while the main or driving shaft runs at a constant speed.

(a)

Quarter turn belt drive

(b)

Compound belt drive

(c)

Cone pulley drive

(d)

Fast and loose pulley drive

Answer:

Option (c)

40.

An arrangement to link or delink a machine to or from the main shaft is provided in ________.

(a)

quarter turn belt drive

(b)

compound belt drive

(c)

cone pulley drive

(d)

fast and loose pulley drive

Answer:

Option (d)

Showing 31 to 40 out of 47 Questions