Q261
Open questionWeeping in a distillation column
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Chemical Engineering · all questionsMass Transfer
Mass Transfer
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Q262
Open questionSteady state equimolal counter diffusion is encountered in
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Q263
Open questionSteady state equimolal counter diffusion occurs in case of
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Q264
Open questionIn liquid-liquid extraction, the number of phases at plait point is
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Q265
Open questionAn alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is
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Q266
Open questionFor a distillation column operating at minimum reflux, the
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Q267
Open questionThe wet and dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C.
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Q268
Open questionThe Kundsen diffusivity is proportional to (where, T = absolute temperature)
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Q269
Open questionPick out the wrong statement pertaining to the rotary dryer.
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Q270
Open questionTo remove all the moisture from a wet solid it requires exposure to __________ air.
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Q271
Open questionThe critical moisture content in case of drying indicates the __________ rate period.
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Q272
Open questionRayleigh's equation applies to __________ distillation.
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Q273
Open questionWhen the solvent dissolves very little of solute, then
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Q274
Open questionFor __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same.
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Q275
Open questionIon exchange process is similar to
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Q276
Open questionMechanism of moisture removal in case of freeze drying of food stuff is by
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Q277
Open questionThe caking of crystals can be prevented by
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Q278
Open questionA plait point is the point on the solubility curve, where the tie line reduces to a point. What is the number of plait point for a ternery system containing twopairs of partially miscible liquids?
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Q279
Open questionIn a single stage extraction process, 10 kg of pure solvent S (containing no solute A) is mixed with 30 kg of feed F containing A at a mass fraction xf = 0.2. The mixture splits into an extract phase E and a raf-finate phase R containing A at xB = 0.5 and xR = 0.05 respectively. The total mass of the extract phase is (in Kg)
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Q280
Open questionIn case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated.
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