Engineering Materials The percentage carbon content in wrought iron is about 0.4 0.1 2 0.02 0.4 0.1 2 0.02 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Chromium Nickel Cobalt Vanadium Chromium Nickel Cobalt Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Silver Duralumin Copper Brass Silver Duralumin Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as Hypoeutectic cast irons Eutectic cast irons None of these Hypereutectic cast irons Hypoeutectic cast irons Eutectic cast irons None of these Hypereutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Cementite Free carbon Flakes Nodular aggregates of graphite Cementite Free carbon Flakes Nodular aggregates of graphite ANSWER DOWNLOAD EXAMIANS APP