Mass Transfer At what percentage (by volume) of alcohol composition, it forms an azeotrope with water? 99 90 95 91.5 99 90 95 91.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the temperature and humidity of air is low, we usually use __________ draft cooling tower. Induced Forced Natural None of these Induced Forced Natural None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During 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. Relative humidity None of these Wet bulb temperature Partial pressure of water vapor Relative humidity None of these Wet bulb temperature Partial pressure of water vapor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A minimum boiling azeotrope is exemplified by Toluene-benzene Water-isobutyl alcohol None of these Acetone-carbon disulphide Toluene-benzene Water-isobutyl alcohol None of these Acetone-carbon disulphide ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption with exothermic reaction, for fluids having Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same Pr = Sc; percentage change in heat and mass transfer flux will be the same for a given change in the degree of turbulence Both A & B Pr = Sc ; there won Pr = Sc = 1; total mass, momentum and thermal diffusivity will be the same ANSWER DOWNLOAD EXAMIANS APP
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