Machine Design
According to I.B.R., when the thickness of the boiler shell (t) is less than 8 mm, then the diameter of the rivet hole (d) is obtained by

Equating shearing resistance to the crushing resistance of the rivets
None of these
Equating tearing resistance of the plate to the crushing resistance of the rivets
Equating tearing resistance of the plate to the shearing resistance of the rivets

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

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

ANSWER DOWNLOAD EXAMIANS APP