Mass Transfer When a multistage tray tower uses a minimum reflux ratio, it implies Infinite trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load Infinite trays and minimum reboiler heat load Infinite trays and maximum reboiler heat load Minimum trays and minimum reboiler heat load Minimum trays and maximum reboiler heat load Infinite trays and minimum reboiler heat load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Short tube Vacuum Falling film Long tube Short tube Vacuum Falling film Long tube ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? Low vapor pressure High gas solubility Low viscosity None of these Low vapor pressure High gas solubility Low viscosity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser and reboiler loads are the same in both the cases Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser and reboiler loads are the same in both the cases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion in concentrated solutins differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. Both A & B Degree of ideality Neither A nor B Viscosity Both A & B Degree of ideality Neither A nor B Viscosity 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. Same as Either same or higher than Higher than Lower than Same as Either same or higher than Higher than Lower than ANSWER DOWNLOAD EXAMIANS APP
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