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

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

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
According to I.B.R., when the thickness of boiler shell (t) is greater than 8 mm, then the diameter of 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