Engineering Materials In malleable iron, carbon is present in the form of Nodular aggregates of graphite Cementite Free carbon Flakes Nodular aggregates of graphite Cementite Free carbon Flakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ultimate tensile strength and yield strength of most of the metals, when temperature falls from 0 to 100°C will Remain same Decrease First increase and then decrease Increase Remain same Decrease First increase and then decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Drop forging dies contain carbon of the order of 0.6 to 0.7% 0.7 to 0.9% 0.1 to 0.2% 0.25 to 0.5% 0.6 to 0.7% 0.7 to 0.9% 0.1 to 0.2% 0.25 to 0.5% 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? Manganese Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nickel when added to copper improves Machinability Strength and ductility Hardness Hardness and strength Machinability Strength and ductility Hardness Hardness and strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is improved by adding Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium Chromium Nickel Sulphur, lead and phosphorus Nickel and chromium ANSWER DOWNLOAD EXAMIANS APP