Engineering Materials The percentage of carbon in grey iron castings usually varies between 5 to 7% 0.012 2.5 to 4.5% 0.5 to 1% 5 to 7% 0.012 2.5 to 4.5% 0.5 to 1% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 100°C Around 0°C Below 10°K Above 100°K Around 100°C Around 0°C Below 10°K Above 100°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Carbon Sulphur Silicon Manganese Carbon Sulphur Silicon Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel in steel 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 Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The crystal structure of brass is F.C.C. C.C. Orthorhombic crystalline structure H.C.P. F.C.C. C.C. Orthorhombic crystalline structure H.C.P. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 0.5% of phosphorous 2.5% phosphorous None of these 1% phosphorous 0.5% of phosphorous 2.5% phosphorous None of these 1% phosphorous ANSWER DOWNLOAD EXAMIANS APP
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