Engineering Materials Ferromagnetic alpha iron exists in temperature range of 770 to 910°C 1400 to 1539°C Below 723°C 910 to 1440°C 770 to 910°C 1400 to 1539°C Below 723°C 910 to 1440°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The steel widely used for motor car crankshafts is Nickel steel Nickel-chrome steel Chrome steel Silicon steel Nickel steel Nickel-chrome steel Chrome steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which reduces the formation of iron sulphide in steel is Vanadium Manganese Chromium Nickel Vanadium Manganese Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The lower critical temperature Increases as the carbon content in steel increases Decreases as the carbon content in steel increases Is same for all steels Depends upon the rate of heating Increases as the carbon content in steel increases Decreases as the carbon content in steel increases Is same for all steels Depends upon the rate of heating ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The property of a material due to which it breaks with little permanent distortion, is called Plasticity Ductility Malleability Brittleness Plasticity Ductility Malleability Brittleness ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of the steel with a corresponding change in the properties is known as Heat treatment Allotropic change Recrystallization Precipitation Heat treatment Allotropic change Recrystallization Precipitation ANSWER DOWNLOAD EXAMIANS APP
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