Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Desirable value of absorption factor in an absorber is 1 < 1 0.5 > 1 1 < 1 0.5 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Low pumping pressure drop Rapid absorption rates Better flow characteristics All of these Low pumping pressure drop Rapid absorption rates Better flow characteristics All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Maximum permissible Minimum Operating Total Maximum permissible Minimum Operating Total ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity. None of these Molal Relative Percentage None of these Molal Relative Percentage ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Dehumidification of air and gas Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Removal of objectionable odour and impurities from industrial gases ANSWER DOWNLOAD EXAMIANS APP
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