Engineering Materials Chromium when added to steel _________ the tensile strength. Decreases Increases None of these Does not effect Decreases Increases None of these Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Breaks with little permanent distortion Can cut another metal Can be drawn into wires Can be rolled or hammered into thin sheets Breaks with little permanent distortion Can cut another metal Can be drawn into wires Can be rolled or hammered into thin sheets ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cobalt in steel Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties Gives ductility, toughness, tensile strength and anti corrosion property Improves wear resistance, cutting ability and toughness Improves cutting ability and reduce hardenability Refines grain size and produces less tendency to carburisation, improve corrosion and heat resistant proper ties ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Sulphur, lead, phosphorous Chromium, nickel Vanadium, aluminium Silicon, aluminium, titanium Sulphur, lead, phosphorous Chromium, nickel Vanadium, aluminium Silicon, aluminium, titanium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Closed packed hexagonal space lattice is found in 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 Gamma-iron, aluminium, copper, lead, silver and nickel Alpha-iron, tungsten, chromium and molybdenum Zinc, magnesium, cobalt, cadmium, antimony and bismuth ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material due to which it breaks with little permanent distortion, is called Ductility Brittleness Malleability Plasticity Ductility Brittleness Malleability Plasticity ANSWER DOWNLOAD EXAMIANS APP
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