Engineering Materials The alloying element which can replace tungsten in high speed steels is Vanadium Cobalt Molybdenum Nickel Vanadium Cobalt Molybdenum Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Gives ductility, toughness, tensile strength and anti corrosion property Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Gas turbine blades Flywheel of steam engine Cycle chains Cast iron pipes Gas turbine blades Flywheel of steam engine Cycle chains Cast iron pipes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Bronze is an alloy of Copper and tin None of these Copper and zinc Copper, tin and zinc Copper and tin None of these Copper and zinc Copper, tin and zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Dow metal contains 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg 90% magnesium and 9% aluminium with some copper 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe 90% aluminium and 90% copper 92.5% aluminium and, 4% copper, 2% nickel and 1.5% Mg ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Magnesium Chromium Copper Nickel Magnesium Chromium Copper Nickel ANSWER DOWNLOAD EXAMIANS APP
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