Materials and Construction Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. Tungsten Nickel Chromium Cobalt Tungsten Nickel Chromium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Increases its hardness Makes it brittle Is desirable Increases its strength Increases its hardness Makes it brittle Is desirable Increases its strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron has Elastic limit close to ultimate breaking strength Very high tensile strenth High malleability High ductility Elastic limit close to ultimate breaking strength Very high tensile strenth High malleability High ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duralumin is an alloy of Aluminium, copper and manganese Aluminium, nickel and silicon Aluminium and nickel None of these Aluminium, copper and manganese Aluminium, nickel and silicon Aluminium and nickel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concrete tank can be used to store Ferrous sulphate Sulphuric acid Alum Saturated brine Ferrous sulphate Sulphuric acid Alum Saturated brine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Metal/alloy Dielectric None of these Semi-conductor Metal/alloy Dielectric None of these ANSWER DOWNLOAD EXAMIANS APP
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