Machine Design
At low temperatures (say 75°C) the notched bar impact value of steel

Depends on heat treatment carried out
Increases markedly
Decreases markedly
Remain same

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP