Mass Transfer MCQ Questions & Answers | Chemical Engineering

A. Toor and Marchello

B. Fick

C. Danckwerts

D. Stefan

A. 1

B. 0

C. ∞

D. None of these

A. Lewis

B. Grashoff

C. Sherwood

D. None of these

A. D ∝ T

B. D ∝ T^0.5

C. D ∝ T^1.5

D. D ∝ T²

A. Vapors and liquids are at their dew point and bubble point respectively

B. Driving force for the liquid flow is its specific weight

C. Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column

D. Highest temperature is encountered at the top of the column

A. $$\frac{{\text{L}}}{{\text{G}}}$$

B. $$\frac{{\text{G}}}{{\text{L}}}$$

C. Always < 1

D. None of these

A. Dialysis process is used for the production of fresh water from brine

B. Electrodylsis is used in the manufacture of NaOH

C. Electrodylsis is used for the refin-ning/purification of petrol

D. Both B and C

A. Thermal

B. Pressure

C. Concentration

D. Force

A. Sensible heat changes are negligible compared with latent heat changes

B. Molar latent heats of all components are equal

C. Heat of mixing is negligible

D. None of these

A. Dry bulb temperature

B. Dew point

C. Wet bulb temperature

D. None of these