Engineering Materials Tungsten in steel Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Reduces the grain size Decreases tensile strength and hardness Acts as deoxidiser Lowers the toughness and transverse ductility Reduces the grain size Decreases tensile strength and hardness Acts as deoxidiser Lowers the toughness and transverse ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in 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 One of the best known age and precipitation hardening systems Improving machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta-iron occurs between the temperature ranges of 600°C to 900°C 900°C to 1400°C 400°C to 600°C 1400°C to 1530°C 600°C to 900°C 900°C to 1400°C 400°C to 600°C 1400°C to 1530°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Silver and chromium Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper Silver and chromium Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc 63 to 67% nickel and 30% copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Carbon Manganese Silicon Sulphur Carbon Manganese Silicon Sulphur ANSWER DOWNLOAD EXAMIANS APP
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