Machine Design
The process which improves the machinability of steels, but lowers the hardness and tensile strength is

Spheroidising
Full annealing
Normalising
Process annealing

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Cold working

Decreases the fatigue strength
Has no influence on fatigue strength
Increases the fatigue strength
Alone has no influence on fatigue strength

ANSWER DOWNLOAD EXAMIANS APP