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Mechanical Engineering · all questions

Engineering Materials
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Which is false statement about case hardening? Case hardening is done by

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The machinability of aluminium increases when _________ is added to aluminium.

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In high speed steels, manganese is used to tougher the metal and to increase its

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Following elements have face-centered cubic structure

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The crystal structure of brass is

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Which of the following has highest specific strength of all structural materials?

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Blast furnace produces following by reduction of iron ore

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Shock resistance of steel is increased by adding

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Corrosion resistance of steel is increased by adding

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Cobalt in steel

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The electric process of steel making is especially adapted to

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Chromium in steel

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A cold chisel is made of

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Cast iron is characterized by minimum of following percentage of carbon

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Eutectoid steel contains following percentage of carbon

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Cast iron is a

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Cast iron has

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Carbon steel is

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High carbon steel carries carbon percentage

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According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is

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