Engineering Materials The machinability of steel is increased by Silicon and sulphur Phosphorous and aluminium Phosphorous, lead and sulphur Sulphur, graphite and aluminium Silicon and sulphur Phosphorous and aluminium Phosphorous, lead and sulphur Sulphur, graphite and aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Steels are heated to 500 to 700°C Cooling is done slowly and steadily Internal stresses are relieved All of these Steels are heated to 500 to 700°C Cooling is done slowly and steadily Internal stresses are relieved All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 90% magnesium and 9% aluminium with some copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot tempering Fatigue Creep Hot hardness Hot tempering Fatigue Creep Hot hardness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains 1% phosphorous 2.5% phosphorous 0.5% of phosphorous None of these 1% phosphorous 2.5% phosphorous 0.5% of phosphorous None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Delta iron occurs at temperature of Between 1400°C and 1539°C Above melting point Room temperature Between 910°C and 1400°C Between 1400°C and 1539°C Above melting point Room temperature Between 910°C and 1400°C ANSWER DOWNLOAD EXAMIANS APP
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