Engineering Materials When low carbon steel is heated up to lower critical temperature There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum There is no change in grain size The grain size first increases and then decreases very rapidly The grain size increases very rapidly The average grain size is a minimum ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In mottled cast iron, carbon is available in Combined form Partly in free and partly in combined state Free form Nodular form Combined form Partly in free and partly in combined state Free form Nodular form ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Machining properties of steel are improved by adding Sulphur, lead, phosphorous Silicon, aluminium, titanium Vanadium, aluminium Chromium, nickel Sulphur, lead, phosphorous Silicon, aluminium, titanium Vanadium, aluminium Chromium, nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Nodular cast iron is produced by adding ________ to the molten cast iron. Chromium Nickel Magnesium Copper Chromium Nickel Magnesium Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Physical change Solidus change Molecular change Allotropic change Physical change Solidus change Molecular change Allotropic change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Depth of hardness of steel is increased by addition of Vanadium Tungsten Nickel Chromium Vanadium Tungsten Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
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