Engineering Materials Addition of lead and bismuth to aluminium results in Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance Improving machinability Improvement of casting characteristics One of the best known age and precipitation hardening systems Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin and lead Tin and copper Tin, lead and silver Tin, lead and small percentage of antimony Tin and lead Tin and copper Tin, lead and silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When the steel is normalized, its Yield point increases Ductility decreases Ultimate tensile strength increases All of these Yield point increases Ductility decreases Ultimate tensile strength increases All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The defect which takes place due to imperfect packing of atoms during crystallization is known as Surface defect Line defect None of these Point defect Surface defect Line defect None of these Point defect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage carbon content in wrought iron is about 0.02 0.4 0.1 2 0.02 0.4 0.1 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The addition of which of the following improves machining of copper? Tin Zinc Sulphur Vanadium Tin Zinc Sulphur Vanadium ANSWER DOWNLOAD EXAMIANS APP
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