Engineering Materials The hardness of steel increases if it contains Austenite Pearlite Martensite Cementite Austenite Pearlite Martensite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Acidic solution is one which has pH value Greater than 7 Less than 7 Equal to 7 pH value has nothing to do with neutral solution Greater than 7 Less than 7 Equal to 7 pH value has nothing to do with neutral solution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase endurance strength Increase hardenability Increase wear resistance Reduce machinability Increase endurance strength Increase hardenability Increase wear resistance Reduce machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which can replace tungsten in high speed steels is Nickel Vanadium Cobalt Molybdenum Nickel Vanadium Cobalt Molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Vanadium Manganese Nickel Chromium Vanadium Manganese Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
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