Engineering Materials Which of the following property is desirable for materials used in tools and machines? Elasticity Malleability Plasticity Ductility Elasticity Malleability Plasticity Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties Improves cutting ability and reduces hardenability Improves wear resistance, cutting ability and toughness Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Gives ductility, toughness, tensile strength and anti-corrosion properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Soften material Improve machining characteristic Relieve stresses Harden steel slightly Soften material Improve machining characteristic Relieve stresses Harden steel slightly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by addition of Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel Vanadium, aluminium Tungsten, molybdenum, vanadium, chromium Sulphur, phosphorus, lead Chromium and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Duralumin Brass Silver Copper Duralumin Brass Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials High carbon steel carries carbon percentage 0.3 to 0.6% 0.8 to 1.5% 0.6 to 0.8% 0.1 to 0.3% 0.3 to 0.6% 0.8 to 1.5% 0.6 to 0.8% 0.1 to 0.3% ANSWER DOWNLOAD EXAMIANS APP
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