Gas cyaniding is otherwise known as __________
(a) Nitriding
(b) Carbonitriding
(c) Induction Hardening
(d) Flame Hardening
I got this question by my college director while I was bunking the class.
This intriguing question originated from Nitriding, Cyaniding and Carbonitriding topic in division Heat Treatment of Engineering Material & Metallurgy