A.Tempering
B.Hardening
C.Annealing
D.Normalizing
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
- In which process steel is heated below the critical temperature
- The process of production of articles having a soft ductile interior and a very hard surface, is known as
- 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
- Nitriding is a process for
- A steel piece after hardening is heated to 300?C and then cooled in oil. The property imparted to the steel piece will be
- If an article develops insufficient hardening after quenching, the defect can be corrected by
- A steel specimen is heated to 730?C and cooled at the slowest possible rate in the furnace. Which property will be imparted to the steel piece?
