1000+ Mass Transfer MCQ Questions and Answers - 1

Question: 1

The process employing desorption of the absorbed solute by a solvent is called

(A) sublimation

(B) reverse osmosis

(C) osmosis

(D) elution

Ans: D

elution

Question: 2

Steam distillation is used to

(A) increase the total pressure of distillation

(B) increase the efficiency of separation

(C) reduce the number of plates

(D) avoid thermal decomposition of a component

Ans: B

avoid thermal decomposition of a component

Question: 3

Bollman extractor

(A) employs only counter current oilseed

(B) is a centrifugal extractor

(C) is used for extraction of oil from oilseed

(D) is a static bed leaching equipment

Ans: C

is used for extraction of oil from oilseed

Question: 4

In saturated air water vapor mixture, the

(A) dry bulb temperature is higher than the dew point temperature

(B) dry bulb, wet bulb and dew point temperature are the same

(C) dew point temperature is lower than the wet bulb temperature

(D) dry bulb temperature is higher than the wet bulb temperature

Ans: B

dry bulb, wet bulb and dew point temperature are the same

Question: 5

The operating cost of a distillation column at minimum reflux ratio is

(A) zero

(B) infinite

(C) maximum

(D) minimum

Ans: D

minimum

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