Case-hardening or surface hardening is the process of hardening the surface of a metal object while allowing the metal deeper underneath to remain soft, thus forming a thin layer of harder metal (called the "case") at the surface.
Normally Low carbon steel parts are subjected to case hardening process.
4) Case Hardening is a method of producing hard skin on the surface of
Answer is:
Low-carbon steel parts
Explanation:
Related Heat Treatment MCQ - Machinist(Set-1) with Answers
5) To reduce internal stresses of a hardened tool, the method of heat treatment generally applied is
Answer is:
Tempering
Answer is:
Tempering
Answer is:
Nitriding
Answer is:
Case Hardening
Explanation:
List of case hardening or surface hardening methods are
Carburising
Cyaniding
Nitriding
Induction hardening
Flame hardening
