Engineering Materials Which of the following material has nearly zero coefficient of expansion? Invar High speed steel Stainless steel Heat resisting steel Invar High speed steel Stainless steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Vanadium Sulphur Zinc Tin Vanadium Sulphur Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials For a steel containing 0.8% carbon There is only one critical point There are two critical points There is no critical point There can be any number of critical points There is only one critical point There are two critical points There is no critical point There can be any number of critical points ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Monel metal contains Malleable iron and zinc 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium Malleable iron and zinc 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Alloy of tin, lead and cadmium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel made from phosphate iron is Hard Tough Ductile Brittle Hard Tough Ductile Brittle ANSWER DOWNLOAD EXAMIANS APP
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