Mass Transfer MCQ Questions & Answers | Chemical Engineering

A. Comprises of thin bed of substances of extended surface having high porosity

B. Helps in increasing the bubble size entering the settler

C. Helps in increasing the settling rate of the bubbles

D. All of the above

A. Using higher reflux ratio

B. Use of increased tray spacing

C. Increasing the liquid flow rate

D. Increasing the vapour flow rate

A. > 4 :1

B. < 8 : 1

C. > 8:1

D. < 6:1

A. Having very close boiling points

B. Which form maximum boiling azeotrope

C. Having very wide boiling points

D. Which form minimum boiling azeotrope

A. Evaporation

B. Drift

C. Blowdown and leakage

D. All of the above

A. Flow rate of liquid

B. Flow rate of gas

C. Type and size of packing

D. None of these

A. Humidity

B. Temperature

C. Both A & B

D. Neither A nor B

A. All liquid solutions

B. Non-ideal solution only

C. Non-volatile solute

D. Solvents

A. +ve

B. -ve

C. Zero

D. None of these

A. Dew point

B. Humidity ratio

C. Wet bulb temperature

D. None of these