Machine Design
The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called

Working depth
Backlash
Face width
Clearance

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
Directly proportional to the applied torque and inversely proportional to the polar moment of inertia
Inversely proportional to the applied torque and the polar moment of inertia
Directly proportional to the applied torque and the polar moment of inertia

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In oilness bearings

Grease required to be applied after some intervals
Do not require external supply of lubricant
The oil film pressure is generated only by the rotation of the journal
The oil film is maintained by supplying oil under pressure

ANSWER DOWNLOAD EXAMIANS APP