Engineering Materials The hardness of steel primarily depends on Heat treatment employed Percentage of carbon Percentage of alloying elements Shape of carbides and their distribution in iron Heat treatment employed Percentage of carbon Percentage of alloying elements Shape of carbides and their distribution in iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and silver Tin and copper Tin and lead Tin, lead and small percentage of antimony Tin, lead and silver Tin and copper Tin and lead Tin, lead and small percentage of antimony ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Improve machining characteristic Relieve stresses Soften material Harden steel slightly Improve machining characteristic Relieve stresses Soften material Harden steel slightly ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In nodular iron, graphite is in the form of Flakes Free carbon Cementite Spheroids Flakes Free carbon Cementite Spheroids ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Above melting point Room temperature Between 1400°C and 1539°C Between 910°C and 1400°C Above melting point Room temperature Between 1400°C and 1539°C Between 910°C and 1400°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Phosphorous, lead and sulphur Silicon and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium Phosphorous, lead and sulphur Silicon and sulphur Phosphorous and aluminium Sulphur, graphite and aluminium ANSWER DOWNLOAD EXAMIANS APP
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