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 Which of the following is an undesirable property in a tower packing? Large surface per unit volume Large weight of liquid retained Large free cross-section Low weight per unit volume Large surface per unit volume Large weight of liquid retained Large free cross-section Low weight per unit volume ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Humidity chart is useful for the solution of problems concerning condensation, vaporisation and air conditioning. At a given dry bulb temperature, value of humidity obtained from the humidity chart directly, is in terms of __________ humidity. Percentage Molal Relative None of these Percentage Molal Relative None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency Decreases May increase or decrease ; depends on individual design Increases Remains same Decreases May increase or decrease ; depends on individual design Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Henry's law states that the Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to its mole fraction in the liquid ANSWER DOWNLOAD EXAMIANS APP
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