Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Lead and bismuth Silicon Magnesium Copper Lead and bismuth Silicon Magnesium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 723°C 1147°C 600°C 1493°C 723°C 1147°C 600°C 1493°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 RC 65 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Depends upon the rate of heating Increases as the carbon content in steel increases Decreases as the carbon content in steel increases Is same for all steels Depends upon the rate of heating Increases as the carbon content in steel increases Decreases as the carbon content in steel increases Is same for all steels ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ratio of the volume occupied by the atoms to the total volume of the unit cell is called None of these Space lattice Coordination number Atomic packing factor None of these Space lattice Coordination number Atomic packing factor ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Nickel Magnesium Copper Chromium Nickel Magnesium Copper Chromium ANSWER DOWNLOAD EXAMIANS APP