The relative volatility of a binary mixture at constant temperature _________________ the total pressure? A. Decreases with increase in B. Increases with increase in C. Is independent of D. None of these

_______________ equation applies to diffusivities in liquids? A. Gilliland B. Hirschfelder C. Wilke and Chang D. None of these

When the gas to be dissolved in liquid is a/an ___________________ then normally co-current adsorber are used? A. Mixture of two gasesB. Pure gas C. Ideal gas D. Sparingly soluble gas

Experiments were conducted to determine the flux of a species A in a stagnant medium across a gas-liquid interface. The overall mass transfer co-efficient based on the liquid side for dilute systems for the above was estimated to be 4…

H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The…

Large scale drying of sugar is done in a _______________ dryer? A. Spouted bed B. TrayC. Rotary D. Truck

As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages_______________________? A. IncreaseB. Decrease C. Remain unchanged D. Can either increase or decrease, depends on the system

Humidification involves mass transfer between a pure liquid phase and a fixed gas, which is___________________? A. Insoluble in the liquid B. Soluble in the liquid C. Non-ideal in nature D. At a fixed temperature

During the constant rate period of drying of a solid ? A. Increased air humidity decreases the rate of drying B. Increasing the air temperature decreases the drying rateC. Surface evaporation of unbound moisture occurs D. None of these

According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom…