Machine Design
An open belt drive is used when

Shafts are arranged parallel and rotate in the opposite directions
Shafts are arranged at right angles and rotate in one definite direction
Shafts are arranged parallel and rotate in the same directions
Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A stud

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
The angle of twist of shaft is

Inversely proportional to (shaft diameter)⁴
Inversely proportional to (shaft diameter)²
Directly proportional to (shaft diameter)²
Directly proportional to (shaft diameter)⁴

ANSWER DOWNLOAD EXAMIANS APP