Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 0.0025 1.25 2.5 0.25 0.0025 1.25 2.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number. Sherwood Stanton Schmidt Peclet Sherwood Stanton Schmidt Peclet ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of All of these Improved flooding characteristics Rapid absorption rates and good heat transfer characteristics Low pressure drop on pumping All of these Improved flooding characteristics Rapid absorption rates and good heat transfer characteristics Low pressure drop on pumping ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the reflux ratio at total reflux? Infinity Data insufficient Unity Zero Infinity Data insufficient Unity Zero ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these Viscosity variation of the fluids may cause channeling/flooding Pressure drop in the equipment will be very high Packing may be crushed due to thermal expansion/contraction of the components of the equipments None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Recovery of valuable solvent vapors from dilute mixture with air and other gases Dehumidification of air and gas ANSWER DOWNLOAD EXAMIANS APP