Engineering Materials Which is false statement about annealing? Annealing is done to Harden steel slightly Relieve stresses Soften material Improve machining characteristic Harden steel slightly Relieve stresses Soften material Improve machining characteristic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel 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 Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Strength and ductility Hardness and strength Machinability Hardness Strength and ductility Hardness and strength Machinability Hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The electric process of steel making is especially adapted to High speed tool steel All of these Magnet steel Alloy and carbon tool steel High speed tool steel All of these Magnet steel Alloy and carbon tool steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of Cast iron H.S.S. High carbon Mild steel Cast iron H.S.S. High carbon Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Brass contains 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP