Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 0.5 to 1% 2.5 to 4.5% 5 to 7% 0.012 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When elements like nickel, chromium, copper and molybdenum are added to the molten cast iron, it produces Nodular cast iron White cast iron Alloy cast iron Malleable cast iron Nodular cast iron White cast iron Alloy cast iron Malleable cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Duralumin Hindalium Y-alloy Magnalium Duralumin Hindalium Y-alloy Magnalium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Cementite Pearlite Martensite Austenite Cementite Pearlite Martensite Austenite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When low carbon steel is heated up to upper critical temperature The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The cupola is used to manufacture Pig iron Steel Wrought iron Cast iron Pig iron Steel Wrought iron Cast iron ANSWER DOWNLOAD EXAMIANS APP