Engineering Materials The hardness of steel primarily depends on Percentage of carbon Heat treatment employed Percentage of alloying elements Shape of carbides and their distribution in iron Percentage of carbon Heat treatment employed Percentage of alloying elements Shape of carbides and their distribution in iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Shock resistance of steel is increased by adding Nickel Chromium Sulphur, lead and phosphorus Nickel and chromium Nickel Chromium Sulphur, lead and phosphorus Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in 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 Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Maximum percentage of carbon in austenite is 0.0026 0.00025 0.008 0.017 0.0026 0.00025 0.008 0.017 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 temperature at which ferromagnetic alpha iron transforms to paramagnetic alpha iron is 770°C Below recrystallization temperature 1050°C 910°C 770°C Below recrystallization temperature 1050°C 910°C ANSWER DOWNLOAD EXAMIANS APP