Engineering Materials Drop forging dies contain carbon of the order of 0.1 to 0.2% 0.6 to 0.7% 0.25 to 0.5% 0.7 to 0.9% 0.1 to 0.2% 0.6 to 0.7% 0.25 to 0.5% 0.7 to 0.9% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Tin Zinc Sulphur Vanadium Tin Zinc Sulphur Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron-carbon alloys containing 1.7 to 4.3% carbon are known as None of these Eutectic cast irons Hypereutectic cast irons Hypoeutectic cast irons None of these Eutectic cast irons Hypereutectic cast irons Hypoeutectic cast irons ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corundum contains more than 95% Steel MgO Al2O3 SiO2 Steel MgO Al2O3 SiO2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Shot peening Nitriding of surface Cold working Surface decarburisation Shot peening Nitriding of surface Cold working Surface decarburisation ANSWER DOWNLOAD EXAMIANS APP
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