Engineering Materials An eutectoid steel consists of Pearlite and cementite Wholly pearlite Wholly austenite Pearlite and ferrite Pearlite and cementite Wholly pearlite Wholly austenite Pearlite and ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The silicon steel is widely used for Cutting tools Motor car crankshafts Generators and transformers in the form of laminated cores Connecting rods Cutting tools Motor car crankshafts Generators and transformers in the form of laminated cores Connecting rods ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese is added in low carbon steel to Make the steel ductile and of good bending qualities Raise the yield point Make the steel tougher and harder All of these Make the steel ductile and of good bending qualities Raise the yield point Make the steel tougher and harder All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of lead and bismuth to aluminium results in 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 One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% 0.012 0.5 to 1% 5 to 7% 2.5 to 4.5% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS