Machine Design
The function of a washer is to

Absorb shocks and vibrations
Provide cushioning effect
Provide smooth surface in place of rough surface
Provide bearing area

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The shear stress at a point in a shaft subjected to a torque is

Directly proportional to the polar moment of inertia and to the distance of the point from the axis
Inversely proportional to the applied torque and the polar moment of inertia
Directly proportional to the applied torque and inversely proportional to the polar moment of inertia
Directly proportional to the applied torque and the polar moment of inertia

ANSWER DOWNLOAD EXAMIANS APP