Engineering Materials Admiralty gun metal contains Iron scrap and zinc 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Alloy of tin, lead and cadmium Iron scrap and zinc 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Alloy of tin, lead and cadmium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Aluminium bronze contains aluminium and copper in the ratio of 40 : 60 2.5277777777778 0.47916666666667 2.1180555555556 40 : 60 2.5277777777778 0.47916666666667 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pearlite consists of 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% carbon and 87% ferrite 13% cementite and 87% ferrite 6.67% carbon and 93.33% iron 13% ferrite and 87% cementite 13% carbon and 87% ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Perminvar alloy having constant permeability is an alloy of Iron, zinc and bismuth Nickel, copper and zinc Copper, nickel and antimony Nickel, copper and iron Iron, zinc and bismuth Nickel, copper and zinc Copper, nickel and antimony Nickel, copper and iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Surface decarburisation Shot peening Cold working Nitriding of surface Surface decarburisation Shot peening Cold working Nitriding of surface ANSWER DOWNLOAD EXAMIANS APP