Chemical Engineering :: Materials and Construction
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High speed cutting tool steels contain about __________ percent of tungsten.
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The 'bomb' in the bomb calorimeter is made of
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Which of the following is produced by condensation polymerisation ?
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The crystal structure of most of the common metals is
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Telfon (PTFE) is corroded by
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Hastelloy C is a good material of construction in chemical process industry, since it is
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Mixing vessel used for the chlorination of methane to produce methyl chloride is made of
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The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called
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Pick out the wrong statement.
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The specific gravity of coal depends mainly on its __________ content.
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A.
Pure rubber is as useless as pure gold as a material of construction.
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B.
Thermal conductivity of aluminium is higher than that of copper; hence it is increasingly used for utensil making.
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C.
Copper has poor weldability.
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D.
Reinforced plastics are made from both thermoplastic as well as thermosetting plastics.
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