Engineering Materials The transistor is made of Copper Gold Germanium Silver Copper Gold Germanium Silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Invar Magnin Nichrome Elinvar Invar Magnin Nichrome Elinvar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Steels are heated to 500 to 700°C All of these Cooling is done slowly and steadily Internal stresses are relieved Steels are heated to 500 to 700°C All of these Cooling is done slowly and steadily Internal stresses are relieved ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working Any one of these Modify the structure of the material Change grain size Relieve the stresses set up in the material after hot or cold working ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In nodular iron, graphite is in the form of Spheroids Cementite Flakes Free carbon Spheroids Cementite Flakes Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age-hardening is related with Stainless steel German silver Gun metal Duralumin Stainless steel German silver Gun metal Duralumin ANSWER DOWNLOAD EXAMIANS APP