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
Correct Answer: 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 ✔
Last Updated: February 17, 2019