Engineering Materials The percentage of carbon in grey iron castings usually varies between 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% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of aluminium increases when _________ is added to aluminium. Magnesium Copper Lead and bismuth Silicon Magnesium Copper Lead and bismuth Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Cobalt Nickel Vanadium Molybdenum Cobalt Nickel Vanadium Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Phosphor bronze contains None of these 2.5% phosphorous 1% phosphorous 0.5% of phosphorous None of these 2.5% phosphorous 1% phosphorous 0.5% of phosphorous ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hematite iron ore contains iron about 0.7 0.55 0.3 0.45 0.7 0.55 0.3 0.45 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Chromium Nickel Copper Silicon Chromium Nickel Copper Silicon ANSWER DOWNLOAD EXAMIANS APP
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