Engineering Materials The crystal structure of brass is F.C.C. Orthorhombic crystalline structure H.C.P. C.C. F.C.C. Orthorhombic crystalline structure H.C.P. C.C. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Hardness and strength Strength and ductility Hardness Machinability Hardness and strength Strength and ductility Hardness Machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in steel 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 cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness 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 cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tensile strength of steel can be safely increased by Adding carbon up to 2.8% Adding carbon up to 6.3% Adding small quantities of copper Adding carbon up to 0.83% Adding carbon up to 2.8% Adding carbon up to 6.3% Adding small quantities of copper Adding carbon up to 0.83% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal shrinks most from molten state to solid state? Cast steel Brass Admiralty metal Cast iron Cast steel Brass Admiralty metal Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
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