Engineering Materials Machining properties of steel are improved by adding Sulphur, lead, phosphorous Chromium, nickel Silicon, aluminium, titanium Vanadium, aluminium Sulphur, lead, phosphorous Chromium, nickel Silicon, aluminium, titanium Vanadium, aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Chromium in steel Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness Improves cutting ability and reduces hardenability Gives ductility, toughness, tensile strength and anti-corrosion properties Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties Improves wear resistance, cutting ability and toughness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature is one At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated At which change of allotropic form takes place At which crystals first start forming from molten metal when it is cooled At which crystals grow bigger in size ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Silicon Sulphur Phosphorus Manganese Silicon Sulphur Phosphorus Manganese ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In which of the following cases, consideration of creep is important Flywheel of steam engine Gas turbine blades Cycle chains Cast iron pipes Flywheel of steam engine Gas turbine blades Cycle chains Cast iron pipes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Body centered cubic space lattice is found in Gamma iron, aluminium, copper, lead, silver and nickel Alpha iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these Gamma iron, aluminium, copper, lead, silver and nickel Alpha iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth None of these ANSWER DOWNLOAD EXAMIANS APP
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