Engineering Materials Monel metal contains Alloy of tin, lead and cadmium Malleable iron and zinc 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium Malleable iron and zinc 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron, gamma from and delta iron Alpha iron and beta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron Alpha iron, gamma from and delta iron Alpha iron and beta iron Alpha iron, beta iron and gamma iron Body centered cubic iron and face centered cubic iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty gun metal contains 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Iron scrap and zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Iron scrap and zinc Alloy of tin, lead and cadmium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Large forgings, crank shafts, axles normally contain carbon up to 0.20 to 0.45% 0.05 to 0.20% 0.55 to 1.0% 0.45 to 0.55% 0.20 to 0.45% 0.05 to 0.20% 0.55 to 1.0% 0.45 to 0.55% 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 Cooling is done slowly and steadily Internal stresses are relieved All of these Steels are heated to 500 to 700°C Cooling is done slowly and steadily Internal stresses are relieved All of these ANSWER DOWNLOAD EXAMIANS APP
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