Engineering Materials Gun metal contains 90% copper and 10% tin 70 - 78% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70 - 78% copper and rest tin 70% copper and 30% zinc 85 - 92% copper and rest tin with little lead and nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Foundry crucible is made of Graphite German silver Lead Mild steel Graphite German silver Lead Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Solder is an alloy consisting of Tin and lead Tin and copper Tin, antimony, copper Lead and zinc Tin and lead Tin and copper Tin, antimony, copper Lead and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Silver metal Invar Duralumin Hastelloy Silver metal Invar Duralumin Hastelloy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Cementite Martensite Pearlite Austenite Cementite Martensite Pearlite Austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP