Q201
Open questionUnder conditions of flooding in packed tower, the gas pressure drop
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Chemical Engineering · all questionsMass Transfer
Mass Transfer
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Q202
Open questionWhich of the following adsorbent is used to decolourise yellow glycerine?
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Q203
Open questionLiquid diffusivity is of the order of __________ cm2/second.
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Q204
Open questionStefan's law describes the mass transfer by
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Q205
Open questionIn McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at __________ reflux.
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Q206
Open questionMass transfer co-efficient varies as DAB0.5, according to the __________ theory.
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Q207
Open questionMass transfer co-efficient is directly proportional to DAB according to the __________ theory.
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Q208
Open questionMinimum reflux ratio in a distillation column results in
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Q209
Open questionPick out the wrong statement.
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Q210
Open questionVery tall packed towers are divided into series of beds to
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Q211
Open questionDrift in a cooling tower is
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Q212
Open questionPick out the correct statement.
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Q213
Open questionIn the constant rate period of the rate of drying curve for batch drying,
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Q214
Open questionThe suitable evaporator for concentration of foaming liquids is a __________ evaporator.
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Q215
Open questionAt a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant
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Q216
Open questionDuring dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant.
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Q217
Open questionWhich of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty?
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Q218
Open questionIt takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%).
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Q219
Open questionA pure drug is administered as a sphere and as a cube. The amount of drug is the same in the two tablets. Assuming that the shape and size do not influence the mass transfer, the ratio of rate of dissolution in water at t = 0 for the cubic to spherical tablet is
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Q220
Open questionSticky material can be dried in a __________ dryer.
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