Engineering Materials The heat treatment process used for softening hardened steel is Annealing Normalizing Tempering Carburising Annealing Normalizing Tempering Carburising ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Raise the yield point Make the steel ductile and of good bending qualities All of these Make the steel tougher and harder Raise the yield point Make the steel ductile and of good bending qualities All of these Make the steel tougher and harder ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has Carbon in the form of free graphite Low compressive strength All of these High tensile strength Carbon in the form of free graphite Low compressive strength All of these High tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloy used for making electrical resistances and heating elements is Elinvar Invar Magnin Nichrome Elinvar Invar Magnin Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP
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