Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Depend on saturated boiling point; may increase or decrease Decrease Remains same Increase Depend on saturated boiling point; may increase or decrease Decrease Remains same Increase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reverse osmosis is also called Dialysis Ultrafiltration Diffusion Electrodilysis Dialysis Ultrafiltration Diffusion Electrodilysis ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.048 0.079 0.152 0.122 0.048 0.079 0.152 0.122 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Neither A nor B Both A & B Approach is 10°F Range is 15°F Neither A nor B Both A & B Approach is 10°F Range is 15°F ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the None of these Integral heat of adsorption Heat of wetting Differential heat of adsorption None of these Integral heat of adsorption Heat of wetting Differential heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect The product composition but not the fraction vaporised Neither the product composition nor the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition The product composition but not the fraction vaporised Neither the product composition nor the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition ANSWER DOWNLOAD EXAMIANS APP
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