Engineering Materials The ability of a material to resist softening at high temperature is known as Fatigue Hot tempering Hot hardness Creep Fatigue Hot tempering Hot hardness Creep ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Super conduction by metals is observed in the temperature range of Around 100°C Around 0°C Above 100°K Below 10°K Around 100°C Around 0°C Above 100°K Below 10°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Y-alloy contains 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese 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, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese 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, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material due to which it breaks with little permanent distortion, is called Brittleness Plasticity Ductility Malleability Brittleness Plasticity Ductility Malleability 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 Which of the following impurity in cast iron promotes graphite nodule formation and increases the fluidity of the molten metal? Sulphur Silicon Phosphorus Manganese Sulphur Silicon Phosphorus Manganese ANSWER DOWNLOAD EXAMIANS APP
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