Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes Yes ; if the reflux ratio is maximum Never Normally not; but is possible if infinite number of plates are put Yes Yes ; if the reflux ratio is maximum Never Normally not; but is possible if infinite number of plates are put ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, decreases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. Bound Critical Unbound Free Bound Critical Unbound Free ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Removal of objectionable odour and impurities from industrial gases Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas Removal of objectionable odour and impurities from industrial gases Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropic distillation is employed to separate Constant boiling mixture High boiling mixture Heat sensitive materials Mixture with very high relative volatility Constant boiling mixture High boiling mixture Heat sensitive materials Mixture with very high relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter to height ratio for a rashig ring is 2 1 0.5 5 2 1 0.5 5 ANSWER DOWNLOAD EXAMIANS APP
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