Chemical Engineering :: Chemical Engineering Basics
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In extrusion of metals, which of the following statement is true ?
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Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
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Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?
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Machinability of hard alloys and tool steels is improved by
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Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.
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Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.
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In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that
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Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.
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A.
compared to the mass flow rate of cooling water, the rate of condensation of steam is invariably smaller.
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B.
maintaining vacuum on tube side is more difficult than that on the shell side.
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C.
water velocity can be increased conveniently to increase the overall heat transfer co-efficient because of its lower specific volume compared to steam.
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D.
condenser can act as a storage unit for condensed steam.
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