Engineering Materials Which of the following constituents of steels is softest and least strong? Austenite Ferrite Pearlite Cementite Austenite Ferrite Pearlite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Vanadium Chromium Cobalt Nickel Vanadium Chromium Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 70 - 75% copper and rest tin 90% copper and 10% tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has Low tensile strength All of these Carbon in the form of carbide High compressive strength Low tensile strength All of these Carbon in the form of carbide High compressive strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.7 to 0.9% 0.6 to 0.7% 0.1 to 0.2% 0.25 to 0.5% 0.7 to 0.9% 0.6 to 0.7% 0.1 to 0.2% 0.25 to 0.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in steel Decreases tensile strength and hardness Reduces the grain size Acts as deoxidiser Lowers the toughness and transverse ductility Decreases tensile strength and hardness Reduces the grain size Acts as deoxidiser Lowers the toughness and transverse ductility ANSWER DOWNLOAD EXAMIANS APP
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