Question

Quenching is not necessary when hardening is done by
1) case carburizing
2) flame hardening
3) nitriding
4) induction hardening

Answer 1

Answer C

Nitriding

Hope it helps

say Thanks

please be follower

Answer 2

quenching is a method used in material sciences for quickly cooling material. this technique is done to prevent the formation of undesired product. your correct answer is option no 3

because in nitriding is the only process through which surface of metals are made hard enough so that they can develop resistance toward heat and protect the material from damage through heat.