Engineering Materials Addition of lead and bismuth to aluminium results in One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance One of the best known age and precipitation hardening systems Improving machinability Improvement of casting characteristics Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 80% or more iron 50% or more iron Elements like phosphorus, sulphur and silicon in varying quantities Alloying elements like chromium, tungsten nickel and copper 80% or more iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze contains 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc 70 - 75% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 90% copper and 10% tin 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular iron has All of these High machinability Low melting point High tensile strength All of these High machinability Low melting point High tensile strength ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron contains carbon in the form of Free carbon Graphite Cementite White carbon Free carbon Graphite Cementite White carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of hydrogen in steel causes Corrosion resistance Reduced neutron absorption cross-section Embrittlement Improved Weldability Corrosion resistance Reduced neutron absorption cross-section Embrittlement Improved Weldability ANSWER DOWNLOAD EXAMIANS APP
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