Mass Transfer In case of physical adsorption, the difference between heat of adsorption and heat of normal condensation is Zero Equal to the heat of wetting Equal to the heat of formation of surface compound Called integral heat of adsorption Zero Equal to the heat of wetting Equal to the heat of formation of surface compound Called integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature. Adiabatic saturation Wet-bulb Dry-bulb Dew point Adiabatic saturation Wet-bulb Dry-bulb Dew point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - (f - 1)/f - f/(1 - f) - 1/f (1 - f)/f - (f - 1)/f - f/(1 - f) - 1/f (1 - f)/f ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Dependent on the system; can be either lower or higher than Always higher than Always lower than Same as Dependent on the system; can be either lower or higher than Always higher than Always lower than Same as ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is Known Calculated Not required Unknown Known Calculated Not required Unknown ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when The latent heat of vaporisation of the more and less volatile components are greatly different Saturated feed is not used An azeotrope forms A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different Saturated feed is not used An azeotrope forms A total condenser is used ANSWER DOWNLOAD EXAMIANS APP
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