Engineering Materials The hardness of steel increases if it contains Austenite Martensite Cementite Pearlite Austenite Martensite Cementite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes The casting unsound It hard It brittle It easily machinable The casting unsound It hard It brittle It easily machinable ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Any one of these Nitriding Case hardening Flame hardening Any one of these Nitriding Case hardening Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness and tensile strength in austenitic stainless steel can be increased by Martempering Hardening and cold working Full annealing Normalizing Martempering Hardening and cold working Full annealing Normalizing ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase endurance strength Increase hardenability Reduce machinability Increase wear resistance Increase endurance strength Increase hardenability Reduce machinability Increase wear resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics Improving machinability One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improvement of casting characteristics ANSWER DOWNLOAD EXAMIANS APP
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