Engineering Materials Which of the following elements does not impart hardness to steel? Chromium Copper Silicon Nickel Chromium Copper Silicon Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The metal suitable for bearings subjected to light loads, is White metal Phosphor bronze Monel metal Silicon bronze White metal Phosphor bronze Monel metal Silicon bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The aluminium alloy, mainly used, for anodized utensil manufacture, is Y-alloy Hindalium Duralumin Magnalium Y-alloy Hindalium Duralumin Magnalium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage of carbon in low carbon steel is 0.05% 0.15% 0.5% 0.3% 0.05% 0.15% 0.5% 0.3% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Silicon Manganese Sulphur Phosphorus Silicon Manganese Sulphur Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation Provides high hot hardness Forms very hard carbides and thus increases wear resistance Promotes retention of austenite Promotes decarburisation ANSWER DOWNLOAD EXAMIANS APP