Machine Design
The rolling contact bearings as compared to sliding contact bearings have

Small overall dimensions
Low starting and low running friction except at very high speeds
Accuracy of shaft alignment
All of these

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In case of V belt drive

None of these
The belt should not touch the sides of groove in the pulley
The belt should not touch the bottom of groove in the pulley
The belt should touch the bottom of groove in the pulley

ANSWER DOWNLOAD EXAMIANS APP