Machine Design
The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard specimen can withstand without failure, for infinite number of cycles, when subjected to

Static load
Static as well as dynamic load
Dynamic load
Completely reversed load

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

ANSWER DOWNLOAD EXAMIANS APP