Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of corrosion resistance 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Free graphite Cementite Both A and B None of these Free graphite Cementite Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A cold chisel is made of Mild steel High carbon H.S.S. Cast iron Mild steel High carbon H.S.S. Cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Process of Austempering results in Formation of bainite structure Carburised structure Martenistic structure Lamellar layers of carbide distributed throughout the structure Formation of bainite structure Carburised structure Martenistic structure Lamellar layers of carbide distributed throughout the structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.006 0.004 0.002 0.001 0.006 0.004 0.002 0.001 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel steel Silicon steel Nickel-chrome steel Chrome steel Nickel steel Silicon steel Nickel-chrome steel Chrome steel ANSWER DOWNLOAD EXAMIANS APP
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