Engineering Materials Which of the following alloys does not have copper as one of the constituents? Nichrome Delta metal Monel metal Constantan Nichrome Delta metal Monel metal Constantan 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 Increase First increase and then decrease Decrease Remain same Increase First increase and then decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems Improvement of casting characteristics Improvement of corrosion resistance Improving machinability One of the best known age and precipitation hardening systems 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 Manganese Silicon Phosphorus Sulphur Manganese Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of upper bainite (acicular structure) is about RC 65 RC 80 RC 48 RC 57 RC 65 RC 80 RC 48 RC 57 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Tungsten in high speed steel provides Wear resistance Toughness Hot hardness Sharp cutting edge Wear resistance Toughness Hot hardness Sharp cutting edge ANSWER DOWNLOAD EXAMIANS APP
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