Mass Transfer For the same system, if the same liquid used in an absorber is decreased, the tower height will Increase Decrease Remain unaffected Decrease or increase ; depends on the type of liquid Increase Decrease Remain unaffected Decrease or increase ; depends on the type of liquid 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 For which of the following unit operations, Lewis number is of significance? Binary distillation Humidification Gas absorption Adsorption Binary distillation Humidification Gas absorption Adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Degree of freedom for leaching and solvent extraction process is 1 2 3 1 2 3 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 Differential heat of adsorption Integral heat of adsorption None of these Heat of wetting Differential heat of adsorption Integral heat of adsorption None of these Heat of wetting ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flights in a rotary dryer are provided to Increase the residence time of the solid Reduce the residence time of solid None of these Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Increase the residence time of the solid Reduce the residence time of solid None of these Lift and shower the solids thus exposing it thoroughly to the drying action of the gas ANSWER DOWNLOAD EXAMIANS APP
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