Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Nickel Chromium Cobalt Vanadium Nickel Chromium Cobalt Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cyaniding is the process of Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Obtaining cyanide salts Reacting steel surface with cyanide salts Adding carbon and nitrogen by heat treatment of steel to increase its surface hardness Dipping steel in cyanide bath Obtaining cyanide salts Reacting steel surface with cyanide salts ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese to aluminium results in One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly The grain size first increases and then decreases very rapidly The average grain size is a minimum There is no change in grain size The grain size increases very rapidly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin, lead and silver Tin and lead Tin and copper Tin, lead and small percentage of antimony Tin, lead and silver Tin and lead Tin and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about tempering? Tempering is done to Improve toughness Improve machinability Release stresses Improve ductility Improve toughness Improve machinability Release stresses Improve ductility ANSWER DOWNLOAD EXAMIANS APP
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