Engineering Materials The hardness of steel primarily depends on 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 Percentage of carbon Heat treatment employed Percentage of alloying elements ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 80% copper and 20% beryllium 99% copper and 1% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium 80% copper and 20% beryllium 99% copper and 1% beryllium 97.75% copper and 2.25% beryllium 60% copper and 40% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Chromium, nickel Sulphur, lead, phosphorous Vanadium, aluminium Silicon, aluminium, titanium Chromium, nickel Sulphur, lead, phosphorous Vanadium, aluminium Silicon, aluminium, titanium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Sulphur Zinc Tin Vanadium Sulphur Zinc Tin Vanadium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Age hardening is related to Duralumin Copper Silver Brass Duralumin Copper Silver Brass ANSWER DOWNLOAD EXAMIANS APP