Engineering Materials Age hardening is related to Silver Duralumin Copper Brass Silver Duralumin Copper Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It hard It brittle It easily machinable The casting unsound It hard It brittle It easily machinable The casting unsound ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material essential for spring materials is Plasticity Stiffness Resilience Ductility Plasticity Stiffness Resilience Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of copper to aluminium results in 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 Improving 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? Silicon Sulphur Phosphorus Manganese Silicon Sulphur Phosphorus Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bell metal contains 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 70 - 75% copper and rest tin 90% copper and 10% tin ANSWER DOWNLOAD EXAMIANS APP