Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Neither A nor B Ratio of the insoluble to solution is constant Solids are drained to the same extent Both A & B Neither A nor B Ratio of the insoluble to solution is constant Solids are drained to the same extent Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Constant molal overflow All of these Total reflux Constant relative volatility Constant molal overflow All of these Total reflux Constant relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Partial pressure of vapour Wet bulb temperature None of these Dry bulb temperature Partial pressure of vapour Wet bulb temperature None of these Dry bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During the constant rate period of drying of a solid, Increasing the air temperature decreases the drying rate Surface evaporation of unbound moisture occurs None of these Increased air humidity decreases the rate of drying Increasing the air temperature decreases the drying rate Surface evaporation of unbound moisture occurs None of these Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an absorber, the operating Line always lies below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity Line can be either above or below the equilibrium curve Line always lies below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity Line can be either above or below the equilibrium curve ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Bulk flow Both A & B Diffusion Neither A nor B Bulk flow Both A & B Diffusion Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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