Mass Transfer Which of the following assumes constant molal vaporisation and overflow? Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method Plate absorption column McCabe-Thiele method Enthalpy concentration method Ponchan-Savarit method ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Neither A nor B Increase in air humidity Decrease in air temperature Both A & B Neither A nor B Increase in air humidity Decrease in air temperature Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Blowdown in a cooling tower Increases the scale forming tendencies of water All of these Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities Increases the scale forming tendencies of water All of these Is undesirable Means discarding a small fraction of circulating water to prevent and limit the concentration of salt and impurities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is followed by unsaturated air (with dry bulb temperature 12°C and relative humidity 47%) passing through water spray washer (temperature of water being constant at 40°C? Both heating and humidification Heating only Humidification only Evaporative cooling Both heating and humidification Heating only Humidification only Evaporative cooling ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration model (theory) for mass transfer was enunciated by Toor and Marchello Kissinevskii Danckwerts Higbie Toor and Marchello Kissinevskii Danckwerts Higbie ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is (1 - f)/f - 1/f - (f - 1)/f - f/(1 - f) (1 - f)/f - 1/f - (f - 1)/f - f/(1 - f) ANSWER DOWNLOAD EXAMIANS APP