Process Equipment and Plant Design Reflux ratio variation in a distillation column is between None of these Minimum and infinity Zero and one Zero and infinity None of these Minimum and infinity Zero and one Zero and infinity ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Larger depth of liquid on the trays of a distillation column Neither A nor B Leads to high tray efficiency Both A & B Results in higher pressure drop per tray Neither A nor B Leads to high tray efficiency Both A & B Results in higher pressure drop per tray ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Smoker's equation for the calculation of number of equilibrium stages in a continuous binary distillation column is used, when the Relative volatility is close to one (e.g., separation of close boiling isomers) Number of equilibrium stages required is likely to be very small Number of equilibrium stages in only stripping section is to be calculated Feed is not at its bubble point Relative volatility is close to one (e.g., separation of close boiling isomers) Number of equilibrium stages required is likely to be very small Number of equilibrium stages in only stripping section is to be calculated Feed is not at its bubble point ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design Generally, as the length of the liquid path on a tray is increased beyond 5 ft, the overall column efficiency Decreases Increases May increase or decrease depending upon the plate spacing Remains same Decreases Increases May increase or decrease depending upon the plate spacing Remains same ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always Equal to the order of reaction >1 < 1 1 Equal to the order of reaction >1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Process Equipment and Plant Design In a distillation column, bubble caps are located on trays with a pitch of __________ times the outside diameter of the caps. 1.6 to 2 1.3 to 2 1.5 to 3 2.5 1.6 to 2 1.3 to 2 1.5 to 3 2.5 ANSWER DOWNLOAD EXAMIANS APP