ARC AND GAS WELDING - Practice Mode

1) Which type of hardening used eddy current in the metal bar?
Correct Answer: Induction hardening
2) Which type of hardening used for cam shaft production?
Correct Answer: Induction hardening
3) Which one is the heat treatment process?
Correct Answer: Annealing
4) Which quenching media applied in the flame hardening process?
Correct Answer: Water spray
5) What is the purpose of hardening?
Correct Answer: Increase strength