MCQs of Belt, Ropes and Chains (Kinematics and Theory of Machines-3131906)

MCQ No - 1

The velocity ratio of two pulleys connected by an open belt or crossed belt is ____.

(A)

directly proportional to their diameters

(B)

inversely proportional to their diameters

(C)

directly proportional to the square of their diameters

(D)

inversely proportional to the square of their diameters

B

MCQ No - 2

Due to slip of the belt, the velocity ratio of the belt drive ______.

(A)

decreases

(B)

increases

(C)

does not change

(D)

can't say

A

MCQ No - 3

When two pulleys of different diameters are connected by means of an open belt drive, then the angle of contact taken into consideration should be of the _____.

(A)

larger pulley

(B)

smaller pulley

(C)

average of two pulleys

(D)

either larger or smaller

B

MCQ No - 4

The centrifugal tension in belts ______.

(A)

increases power transmitted

(B)

decreases power transmitted

(C)

have no effect on the power transmitted

(D)

increases power transmitted upto a certain speed and then decreases

C

MCQ No - 5

When the belt is stationary, it is subjected to some tension, known as initial tension. The value of this tension is equal to the ____.

(A)

tension in the tight side of the belt

(B)

tension in the slack side of the belt

(C)

sum of the tensions in the tight side and slack side of the belt

(D)

average tension of the tight side and slack side of the belt

D

Kinematics and Theory of Machines (3131906) MCQ