Engineering Materials In which of the following cases, consideration of creep is important Cast iron pipes Cycle chains Flywheel of steam engine Gas turbine blades Cast iron pipes Cycle chains Flywheel of steam engine Gas turbine blades ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of Below 723°C 1400 to 1539°C 770 to 910°C 910 to 1440°C Below 723°C 1400 to 1539°C 770 to 910°C 910 to 1440°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength Increase wear resistance Reduce machinability Increase hardenability Increase endurance strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Cementite Nodular aggregates of graphite Flakes Free carbon Cementite Nodular aggregates of graphite Flakes Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is 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 None of these Heated up to the lower critical temperature and then cooled in still air 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 None of these Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It melts at 1535°C It contains carbon of the order of 0 to 0.25% It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It is very soft and ductile It melts at 1535°C It contains carbon of the order of 0 to 0.25% It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It is very soft and ductile ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS