Machine Design
The distribution of the forces along the length of key fitted in a shaft

Varies exponentially, being less near the torque-input end
Varies exponentially, being more near the torque-input end
Varies linearly
Is uniform throughout

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In case of thick cylinders, the tangential stress across the thickness of cylinder is

Maximum at the inner surface and zero at the outer surface
Maximum at the outer surface and minimum at the inner surface
Maximum at the outer surface and zero at the inner surface
Maximum at the inner surface and minimum at the outer surface

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The creep in the belt is due to

Stresses beyond elastic limit of belt material
Effect of temperature on belt
Material of belt
Unequal extensions in the belt due to tight and slack side tensions

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A bolt

Is provided with pointed threads
Has a head on one end and a nut fitted to the other
Has head at one end and other end fits into a tapped hole in the other part to be joined
Has both the ends threaded

ANSWER DOWNLOAD EXAMIANS APP