Engineering Materials Shock resistance of steel is increased by adding Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Vanadium Cobalt Chromium Nickel Vanadium Cobalt Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Silicon Manganese Sulphur Phosphorus Silicon Manganese Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Induction hardening is the process of Heating and cooling rapidly Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Inducing hardness by continuous process Heating and cooling rapidly Hardening surface of work-piece to obtain hard and wear resistant surface Increasing hardness throughout Inducing hardness by continuous process ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Silicon Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Gives ductility, toughness, tensile strength and anti corrosion property Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
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