Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Smaller than Greater than Either A, or B ; depends on the type of packing Equal to Smaller than Greater than Either A, or B ; depends on the type of packing Equal to ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An example of elutioh is Dissolution of tannin out of tree barks by water Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Recovery of vegetable oils from seeds Separation of sugar from sugar beet by hot water Dissolution of tannin out of tree barks by water Separation of uranium oxide from its ore by H₂SO₄ in a Pachuca tank Recovery of vegetable oils from seeds Separation of sugar from sugar beet by hot water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes ; if the reflux ratio is maximum Yes Normally not; but is possible if infinite number of plates are put Never Yes ; if the reflux ratio is maximum Yes Normally not; but is possible if infinite number of plates are put Never ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 18.7 20 21.7 27.3 18.7 20 21.7 27.3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Nitrobenzene (boiling point = 210.6°C) is steam distilled at 1 atm pressure.Nitrobenzene will distill off __________ °C. At < 100 Between 100 and 210 At > 210.6 None of the listed here At < 100 Between 100 and 210 At > 210.6 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding Minimise the overall pressure drop Avoid channeling Reduce liquid hold up Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
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