Engineering Materials Gamma iron exits at following temperature Between 910°C and 1400°C Between 1400°C and 1539°C Room temperature Near melting point Between 910°C and 1400°C Between 1400°C and 1539°C Room temperature Near melting point ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal Grain refinement Working at lower temperature All of these Purification of metal Grain refinement Working at lower temperature All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten when added to steel __________ the critical temperature. None of these Does not effect Lowers Raises None of these Does not effect Lowers Raises ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 50 : 20 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 10 : 20 40 : 30 : 20 : 10 50 : 20 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 10 : 20 40 : 30 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A coarse grained steel Is less tough and has a less tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is more ductile and has a greater tendency to distort during heat treatment Is less tough and has a greater tendency to distort during heat treatment Is less tough and has a less tendency to distort during heat treatment Is more ductile and has a less tendency to distort during heat treatment Is more ductile and has a greater tendency to distort during heat treatment Is less tough and has a greater tendency to distort during heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Flame hardening Case hardening Any one of these Nitriding Flame hardening Case hardening Any one of these Nitriding ANSWER DOWNLOAD EXAMIANS APP
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