Machine Design
In cyclic loading, stress concentration is more serious in

Ductile materials
Brittle materials
Elastic materials
Brittle as well as ductile materials

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A fast and loose pulley drive is used when

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
Shafts are arranged at right angles and rotate in one definite direction
Shafts are arranged parallel and rotate in the opposite directions

ANSWER DOWNLOAD EXAMIANS APP