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 Evaporative cooling Humidification only Both heating and humidification Heating only Evaporative cooling Humidification only ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raschig ring made of procelain cannot be used for treating concentrated Hydrochloric acid Sulphuric acid Alkalis Nitric acid Hydrochloric acid Sulphuric acid Alkalis Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which is the controlling factor for a drum drier? Heat transfer Both A & B Neither A nor B Diffusion Heat transfer Both A & B Neither A nor B Diffusion ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up Avoid channeling Avoid flooding Minimise the overall pressure drop Reduce liquid hold up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the Integral heat of adsorption Differential heat of adsorption None of these Heat of wetting Integral heat of adsorption Differential heat of adsorption None of these Heat of wetting ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same process conditions, the reflux ratio of an unlagged distillation column Increases in winter Increases in summer Decreases in winter None of these Increases in winter Increases in summer Decreases in winter None of these ANSWER DOWNLOAD EXAMIANS APP
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