Machine Design
If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to

Diameter of bolt
1.5 × diameter of bolt
1.25 × diameter of bolt
0.75 × diameter of bolt

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Stress concentration is caused due to

All of these
Variation in properties of material from point to point in a member
Pitting at points or areas at which loads on a member are applied
Abrupt change of section

ANSWER DOWNLOAD EXAMIANS APP