Machine Design
A thin spherical shell of internal diameter d is subjected to an internal pressure p. If σt is the tensile stress for the shell material, then thickness of shell is equal to

pd/4σt
pd/2σt
pd/3σt
pd/σt

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A bolt of M 24 × 2 means that

The nominal diameter of bolt is 24 mm and pitch is 2 mm
The effective diameter of bolt is 24 mm and there are 2 threads per cm
Cross-sectional area of the threads is 24 mm²
The pitch of the thread is 24 mm and depth is 2 mm

ANSWER DOWNLOAD EXAMIANS APP