Chemical Engineering :: Heat Transfer
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Heat transfer co-efficient (h1) for liquids increases with
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A diathermaneous substance __________ the thermal radiation completely.
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A hot body will radiate heat most rapidly, if its surface is
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Evaporation of 1kg of water from a solution in a single effect evaporator requires about __________ kg of steam.
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A metal wire of 0.01 m dia and thermal conductivity 200 W/m.K is exposed to a fluid stream with a convective heat transfer coefficient of 100 W/m2.K. The Biot number is
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Analogy between mass and heat transfer is not applicable in case of
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A __________ surface has the maximum thermal emissivity out of the following.
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Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.)
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Mechanical recompression evaporation is used in the production of
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A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number.