Engineering Materials The hardness of steel increases if it contains Martensite Austenite Pearlite Cementite Martensite Austenite Pearlite Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Corrosion resistance of steel is increased by adding Tungsten and sulphur Aluminium and zinc Chromium and nickel Nickel and molybdenum Tungsten and sulphur Aluminium and zinc Chromium and nickel Nickel and molybdenum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness is the property of a material due to which it Can be rolled or hammered into thin sheets Can cut another metal Can be drawn into wires Breaks with little permanent distortion Can be rolled or hammered into thin sheets Can cut another metal Can be drawn into wires Breaks with little permanent distortion ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Nodular aggregates of graphite Cementite Flakes Free carbon Nodular aggregates of graphite Cementite Flakes Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is said to be allotropic, if it has Different crystal structures at different temperatures Any one of the above Atoms distributed in random pattern Fixed structure at all temperatures Different crystal structures at different temperatures Any one of the above Atoms distributed in random pattern Fixed structure at all temperatures ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Pick up wrong statement about wrought iron It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It is very soft and ductile It melts at 1535°C It is made by adding suitable percentage of carbon to molten iron and subjecting the product to repeated hammering and rolling It contains carbon of the order of 0 to 0.25% It is very soft and ductile It melts at 1535°C ANSWER DOWNLOAD EXAMIANS APP
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