Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid ) P >>P P P < P P = P P >>P P P < P P = P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following unit operations makes use of Thiele-Geddes equation? Multicomponent absorption with chemical reaction Solid-liquid extraction Liquid-liquid extraction Multicomponent distillation Multicomponent absorption with chemical reaction Solid-liquid extraction Liquid-liquid extraction Multicomponent distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Both A & B Neither A nor B Decrease in air temperature Increase in air humidity Both A & B Neither A nor B Decrease in air temperature Increase in air humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Range is 15°F Approach is 10°F Neither A nor B Both A & B Range is 15°F Approach is 10°F Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Mixtures of low relative volatility High boiling substances from nonvolatile impurities Azeotropes Heat sensitive materials Mixtures of low relative volatility High boiling substances from nonvolatile impurities Azeotropes Heat sensitive materials ANSWER DOWNLOAD EXAMIANS APP