Q141
Open questionMoisture contained by a substance in excess of the equilibrium moisture is called the __________ moisture.
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Chemical Engineering · all questionsMass Transfer
Mass Transfer
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Q142
Open questionMoisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture.
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Q143
Open questionMoisture in a substance exerting an equilibrium vapour pressure less than that of pure liquid at the same temperature is called the __________ moisture.
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Q144
Open questionMoisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture.
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Q145
Open questionDiameter of raschig rings used in packed tower in industry is normally around __________ inches.
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Q146
Open questionAn example of elutioh is
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Q147
Open questionPick out the correct statement.
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Q148
Open questionDry bulb temperature of unsaturated air is more than its __________ temperature.
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Q149
Open questionIn a packed bed absorption column, the channelling will be noted by the
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Q150
Open questionCondensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour, P = vapour pressure of the liquid)
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Q151
Open questionRelative volatility does not change appreciably with the change in
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Q152
Open questionLeaching of sugar from sugar beets is done by
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Q153
Open questionIn extraction, as the temperature increases, the area of hetrogeneity (area covered by binodal curve)
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Q154
Open questionFor the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG: mass transfer co-efficient, mols/m2, a: in-terfacial area per unit volume of tower)
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Q155
Open questionIn distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when
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Q156
Open questionCox chart is useful in the design of
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Q157
Open questionThe Schmidt number which is defined as, μ/ρ D, is the ratio of the
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Q158
Open questionIn a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalant to a theoretical plate HTUOG = overall gas phase height of a transfer unit)
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Q159
Open questionThe film penetration model of mass transfer was enunciated by
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Q160
Open questionPenetration model (theory) for mass transfer was enunciated by
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