Mass Transfer MCQ Questions & Answers | Chemical Engineering

A. 0

B. 1

C. > 1

D. < 1

A. Plate

B. Baffle

C. Packed

D. None of these

A. Distillation

B. Solvent extraction

C. Absorption

D. None of these

A. $$1 + {{\text{R}}_{\text{o}}} = \frac{{{{\text{R}}_{\text{o}}}}}{{{{\text{R}}_{\text{i}}}}}$$

B. $$1 - {{\text{R}}_{\text{o}}} = \frac{{{{\text{R}}_{\text{o}}}}}{{{{\text{R}}_{\text{i}}}}}$$

C. $$1 + {{\text{R}}_{\text{i}}} = \frac{{{{\text{R}}_{\text{o}}}}}{{{{\text{R}}_{\text{i}}}}}$$

D. $$1 - {{\text{R}}_{\text{i}}} = \frac{{{{\text{R}}_{\text{o}}}}}{{{{\text{R}}_{\text{i}}}}}$$

A. The mixture exhibits an azeotrope at 101.3 kPa

B. The composition of the mixture, in percent by volume is: o-xylene 30, p-xylene 60. and m-xylene 10

C. The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10

D. The mixture contain optical isomers

A. Zero

B. Unity

C. Infinity

D. None of these

A. 1

B. < 1

C. > 1

D. $$\infty $$

A. Yes

B. No

C. Yes ; but height of cooling tower will be prohibitively high

D. Yes ; but the air flow rate should be excessively high

A. Ideal solutions

B. Real solutions

C. Mixture of water and alcohol

D. Non-ideal gases

A. Benzene-toluene

B. Ethyl alcohol-water

C. Hydrochloric acid-water

D. All of the above