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The carbon in the pig iron varies from
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Railway rails are normally made of
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When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron.
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Depth of hardness of steel is increased by addition of
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The property of a material due to which it breaks with little permanent distortion, is called
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The most effective inhibitor of grain growth, when added in small quantities is
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The material widely used for making pendulums of clocks is
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Corrosion resistance of steel is increased by addition of
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Tungsten when added to steel __________ the critical temperature.
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Maximum percentage of carbon in ferrite is
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