WELDING AND HEAT TREATMENT - Practice Mode

1) Which one is the heat treatment process?
Correct Answer: Normalising
2) Which is the quenching media of alloy steel in hardening process?
Correct Answer: Oil
3) Which is the source of energy used in induction hardening?
Correct Answer: Electrical
4) What is the use of oxidising flame?
Correct Answer: Welding of brass
5) Which type thread is used in oXygen gas cylinder?
Correct Answer: Right hand thread