Q101
Open questionHETP is numerically equal to HTU, only when the operating line
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Chemical Engineering · all questionsMass Transfer
Mass Transfer
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Q102
Open questionThe drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid)
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Q103
Open questionThe drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )
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Q104
Open questionIf the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is
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Q105
Open questionIn case of constant underflow extraction operation, the __________ at all solute concentration.
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Q106
Open questionBinary distillation involves the mass transfer by __________ at the gas-liquid interface.
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Q107
Open questionA natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.
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Q108
Open questionThe temperature of water cooled in cooling tower is always __________ temperature of entering air.
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Q109
Open questionWhen adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption.
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Q110
Open questionPick out the correct statement.
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Q111
Open question__________ developed the film theory.
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Q112
Open questionOn addition of solute in the solvent, the __________ of the solution decreases.
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Q113
Open questionWet bulb and dry bulb temperatures becomes identical at __________ percent saturation curve.
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Q114
Open questionAt the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower.
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Q115
Open questionDry bulb temperature of the gas is __________ the wet bulb temperature.
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Q116
Open questionIn case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.
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Q117
Open questionPercentage saturation is __________ the relative saturation.
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Q118
Open questionIn a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor.
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Q119
Open questionOperating velocity in a packed tower is usually __________ the flooding velocity.
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Q120
Open questionHumid volume, at a given temperature is a/an __________ function of humidity.
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