Engineering Materials Cobalt in steel Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Iron ore is usually found in the form of All of these Carbonates Sulphides Oxides All of these Carbonates Sulphides Oxides ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ratio of the volume occupied by the atoms to the total volume of the unit cell is called Coordination number Space lattice Atomic packing factor None of these Coordination number Space lattice Atomic packing factor None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The material widely used for making pendulums of clocks is High speed steel Nickel steel Stainless steel Heat resisting steel High speed steel Nickel steel Stainless steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Grey cast iron has Carbon in the form of free graphite Low compressive strength High tensile strength All of these Carbon in the form of free graphite Low compressive strength High tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70 - 78% 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 - 78% copper and rest tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
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