Engineering Materials The percentage of carbon in grey iron castings usually varies between 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% 0.5 to 1% 0.012 5 to 7% 2.5 to 4.5% 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 Alloy cast iron White cast iron Malleable cast iron Nodular cast iron Alloy cast iron White cast iron Malleable cast iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cast iron is characterized by minimum of following percentage of carbon 0.008 0.013 0.002 0.02 0.008 0.013 0.002 0.02 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Manganese Sulphur Silicon Carbon Manganese Sulphur Silicon Carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of manganese 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 Which of the following material has nearly zero coefficient of expansion? Heat resisting steel Stainless steel Invar High speed steel Heat resisting steel Stainless steel Invar High speed steel ANSWER DOWNLOAD EXAMIANS APP
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