Engineering Materials The alloy used for making electrical resistances and heating elements is Magnin Elinvar Nichrome Invar Magnin Elinvar Nichrome Invar ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following material has maximum ductility? Mild steel Copper Nickel Aluminium Mild steel Copper Nickel Aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C Internal stresses are relieved All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C Internal stresses are relieved ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The purpose of heat treatment is to Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size Modify the structure of the material Relieve the stresses set up in the material after hot or cold working Any one of these Change grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is manufactured in Blast furnace Bessemer converter Cupola Open hearth furnace Blast furnace Bessemer converter Cupola Open hearth furnace ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 2.5% phosphorous None of these 0.5% of phosphorous 1% phosphorous 2.5% phosphorous None of these 0.5% of phosphorous 1% phosphorous ANSWER DOWNLOAD EXAMIANS APP
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