Engineering Materials Hardness of upper bainite (acicular structure) is about RC 57 RC 65 RC 48 RC 80 RC 57 RC 65 RC 48 RC 80 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains 88% copper, 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Iron scrap and zinc 88% copper, 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Iron scrap and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing carbon ________ 4.3% are known as hyper-eutectic cast irons. More than Equal to Less than None of these More than Equal to Less than None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Decreases as the carbon content in steel increases Increases as the carbon content in steel increases Is same for all steels Depends upon the rate of heating Decreases as the carbon content in steel increases Increases as the carbon content in steel increases Is same for all steels Depends upon the rate of heating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is Heated up to the lower critical temperature and then cooled in still air None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials High carbon steel carries carbon percentage 0.3 to 0.6% 0.6 to 0.8% 0.1 to 0.3% 0.8 to 1.5% 0.3 to 0.6% 0.6 to 0.8% 0.1 to 0.3% 0.8 to 1.5% ANSWER DOWNLOAD EXAMIANS APP