Engineering Materials Silicon when added to copper improves Hardness and strength Hardness Strength and ductility Machinability Hardness and strength Hardness Strength and ductility Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The temperature required for full annealing in hypereutectoid steel is 30° C to 50° C below upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature 30° C to 50° C below upper critical temperature 30° C to 50° C below lower critical temperature 30° C to 50° C above lower critical temperature 30° C to 50° C above upper critical temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Balls for ball bearings are made of Stainless steel Cast iron Carbon-chrome steel Mild steel Stainless steel Cast iron Carbon-chrome steel Mild steel 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 The lower critical temperature Increases as the carbon content in steel increases Is same for all steels Decreases as the carbon content in steel increases Depends upon the rate of heating Increases as the carbon content in steel increases Is same for all steels Decreases as the carbon content in steel increases Depends upon the rate of heating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Creep Fatigue Hot hardness Hot tempering Creep Fatigue Hot hardness Hot tempering ANSWER DOWNLOAD EXAMIANS APP