A.Tempering
B.Annealing
C.Austempering
D.Normalising
E.Spheroidising
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 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
- 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 order to improve machinability of steels, the treatment generally done is
- In which process steel is heated below the critical temperature
- If a piece of steel is reheated to a temperature of 200?C to 250?C immediately after quenching, the process is known as
- In a 0.2% carbon steel which has been heated above the third critical temperature on cooling at the first critical point the austenite remaining in solution is transformed to new structure called
- The operation that usually follwos hardening is
- The gradual cooling of glass products is called
- 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?