Machine Design
The dynamic tooth load is due to

Irregularities in tooth profiles
All of these
Deflections of teeth under load
Inaccuracies of tooth spacing

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
In replacing the V-belts, a complete set of new belts is used instead of replacing a single damaged belt because

The new belt will carry more than its share and result in short life
New and old belts will cause vibrations
Belts are available in sets
Only one belt cannot be fitted with other used belts

ANSWER DOWNLOAD EXAMIANS APP