Question

A special case hardening process in which the mild steel absorbs carbon and nitrogen to obtain a
hard surface is called
(a) Carburising
(b) Normalising
(c) Cyaniding
(d) Nitriding​

Answer 1

Answer:

correct answer

Explanation:

normalising

this method used blade Smith

for making knief

Answer 2

Answer:

Carburising

Please mark as brainliest answer