Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% Adding carbon up to 2.8% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 6.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The charge of the blast furnace consists of Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore, coke and limestone all in equal parts Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore (8 parts), coke (4 parts) and limestone (1 part) Calcined ore (1 part), coke (8 parts) and limestone (4 parts) Calcined ore, coke and limestone all in equal parts Calcined ore (4 parts), coke (1 part) and limestone (8 parts) Calcined ore (8 parts), coke (4 parts) and limestone (1 part) ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Monel metal contains 88% copper and 10% tin and rest zinc Malleable iron and zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium 88% copper and 10% tin and rest zinc Malleable iron and zinc 63 to 67% nickel and 30% copper Alloy of tin, lead and cadmium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Hardness Hardness and strength Strength and ductility Machinability Hardness Hardness and strength Strength and ductility Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Aids fusibility and fluidity Increases hardness and brittleness Makes the iron soft and easily machinable Make the iron white and hard Aids fusibility and fluidity Increases hardness and brittleness Makes the iron soft and easily machinable Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.25 to 0.5% 0.1 to 0.2% 0.6 to 0.7% 0.7 to 0.9% 0.25 to 0.5% 0.1 to 0.2% 0.6 to 0.7% 0.7 to 0.9% ANSWER DOWNLOAD EXAMIANS APP
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