A.Hardening
B.Hardening and tempering
C.Case hardening
D.Hardening and annealing
E.None of the above
Related Mcqs:
- The process of reheating hardened steel to temperature below the lower critical temperature followed by any desired rate of cooling, is known as
- The process of heating iron base alloys to approzimately 40?C above the critical temperature range followed by cooling to below that range in still air at ordinary temperature is known as
- Nitriding is a process for
- Cyaniding
- If a piece of steel is reheated to a temperature of 200?C to 250?C immediately after quenching, the process is known as
- Induction hardening is the process of
- During hardening soft spots can be avoided by
- Cold worked components are generally subjected to
- The process of reheating the hardened steel to some temperature below the critical range, followed by any rate of cooling is known as
- The process in which steel is heated 20? to 40?C below the lower critical temperature, held there for a prolonged period and then allowed to cool slowly in the furnace is known as
