Machine Design
When a metal or alloy is cold worked,

None of these
It is worked below recrystallization temperature
Its hardness and strength increases
Both (A) and (B)

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
When a machine member is subjected to torsion, the torsional shear stress set up in the member is

Maximum at both the centroidal axis and outer surface of the member
Maximum at the centroidal axis and zero at the outer surface of the member
Zero at the centroidal axis and maximum at the outer surface of the member
Zero at both the centroidal axis and outer surface of the member

ANSWER DOWNLOAD EXAMIANS APP