Carbon percentage in medium carbon steel is around
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Addition of nickel to copper improves its
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__________ is not a case hardening process.
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Gunmetal and bronze are not corroded by the action of
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Glass lined vessels are not used for handling/storing
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Pick the odd man out of the following.
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For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is
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Percentage of silver in German silver is
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Sulphuric acid pickling tanks are lined with
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__________ iron is produced, when molten pig iron is chilled suddenly.
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Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2. Lead pipes are readily corroded by
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Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2. Lead pipes are readily corroded by
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To improve the machinability of steel by its softening, it is subjected to
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Which of the following is the most widely used insulating material for steam carray-ing pipelines?
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18/8 stainless steel means, that it contains
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Lead alone is not used in storing equipment, because it
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Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of
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High speed steel tools retain their hardness upto a temperature of __________ °C.
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The material of construction of pressure mills used for squeezing out the juice from sugar cane is
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Which of the following has the least carbon percentage?
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