Engineering Materials Super conduction by metals is observed in the temperature range of Below 10°K Around 0°C Above 100°K Around 100°C Below 10°K Around 0°C Above 100°K Around 100°C 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 Manganese Phosphorus Sulphur Silicon Manganese Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Monel metal contains 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Malleable iron and zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Malleable iron and zinc Alloy of tin, lead and cadmium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about annealing? Annealing is done to Relieve stresses Soften material Harden steel slightly Improve machining characteristic Relieve stresses Soften material Harden steel slightly Improve machining characteristic ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Sulphur Phosphorus Manganese Silicon Sulphur Phosphorus Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Quenching is not necessary when hardening is done by Nitriding Any one of these Case hardening Flame hardening Nitriding Any one of these Case hardening Flame hardening ANSWER DOWNLOAD EXAMIANS APP
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