Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the dry bulb Less than the wet bulb Equal to the wet bulb More than the wet bulb Equal to the dry bulb Less than the wet bulb Equal to the wet bulb More than the wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an operating distillation column, the Highest temperature is encountered at the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Driving force for the liquid flow is its specific weight Highest temperature is encountered at the top of the column Vapors and liquids are at their dew point and bubble point respectively Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column Driving force for the liquid flow is its specific weight ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? High gas solubility Low viscosity Low vapor pressure None of these High gas solubility Low viscosity Low vapor pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The commonly used solvent in supercritical extraction is Water Carbon dioxide Methyl ethyl ketone Carbon tetrachloride Water Carbon dioxide Methyl ethyl ketone Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Reduces pressure drop Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Reduces pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 1 4 3 2 1 4 3 2 ANSWER DOWNLOAD EXAMIANS APP
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