Mass Transfer The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives Low pressure drop and high hold up Low pressure drop and low hold up High pressure drop and low hold up High pressure drop and high hold up Low pressure drop and high hold up Low pressure drop and low hold up High pressure drop and low hold up High pressure drop and high hold up 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. Partial pressure of water vapor None of these Relative humidity Wet bulb temperature Partial pressure of water vapor None of these Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following mixtures does not form an azeotrope at atmosheric pressure? Water-alcohol Methyl alcohol-acetone Butyl acetate-water None of these Water-alcohol Methyl alcohol-acetone Butyl acetate-water None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Increases with time Does not change with time Does not affect the moisture content of the wet solid Decreases with time Increases with time Does not change with time Does not affect the moisture content of the wet solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Less than the wet bulb Equal to the dry bulb More than the wet bulb Equal to the wet bulb Less than the wet bulb Equal to the dry bulb More than the wet bulb Equal to the wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Sc x Pr Sh x Pr Pr x St St x Sh Sc x Pr Sh x Pr Pr x St St x Sh ANSWER DOWNLOAD EXAMIANS APP
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