Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Temperature rises Pressure falls Pressure rises Temperature falls Temperature rises Pressure falls Pressure rises Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the Concentration of liquid and vapour leaving a plate will be same Number of plates required will be maximum Reflux ratio will be maximum None of these Concentration of liquid and vapour leaving a plate will be same Number of plates required will be maximum Reflux ratio will be maximum None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Lowering the total pressure Neither A nor B Raising the temperature Both A & B Lowering the total pressure Neither A nor B Raising the temperature Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL/DA² √(KL².DA) KL².DA KL²/DA KL/DA² √(KL².DA) KL².DA KL²/DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Higher than Either same or higher than Same as Lower than Higher than Either same or higher than Same as Lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a continuous drier? Spray drier Tunnel drier Drum drier Tray drier Spray drier Tunnel drier Drum drier Tray drier ANSWER DOWNLOAD EXAMIANS APP
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