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 Heat of wetting None of these Integral heat of adsorption Differential heat of adsorption Heat of wetting None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at constant temperature __________ the total pressure. Increases with increase in Is independent of Decreases with increase in None of these Increases with increase in Is independent of Decreases with increase in None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Bubble cap Wetted wall Packed Perforated tray Bubble cap Wetted wall Packed Perforated tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D K ∝ D1.5 K ∝ D2 K ∝ √D K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher dew point Higher absolute (specific) humidity Higher wet bulb temperature Higher relative humidity Higher dew point Higher absolute (specific) humidity Higher wet bulb temperature Higher relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two or more components of a liquid solution can not be achieved by Liquid extraction Fractional crystallisation Absorption Evaporation Liquid extraction Fractional crystallisation Absorption Evaporation ANSWER DOWNLOAD EXAMIANS APP
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