Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Cobalt Vanadium Nickel Chromium Cobalt Vanadium Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Flakes Nodular aggregates of graphite Cementite Free carbon Flakes Nodular aggregates of graphite Cementite Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable in parts subjected to shock and impact loads? Toughness Brittleness Stiffness Strength Toughness Brittleness Stiffness Strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve machinability Improve toughness Release stresses Improve ductility Improve machinability Improve toughness Release stresses Improve ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Do not become hard with the application of heat and pressure and no chemical change occurs Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions Are formed into shape under heat and pressure and results in a permanently hard product Do not become hard with the application of heat and pressure and no chemical change occurs Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions Are formed into shape under heat and pressure and results in a permanently hard product ANSWER DOWNLOAD EXAMIANS APP
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