Mass Transfer

A. Highest temperatures is near the feed plate
B. Driving force for the liquid flow is its weight
C. Vapors are not always at their dew points
D. All A., B. and C.

A. Reboiler load
B. Number of plates
C. Condenser load
D. All A., B. and C.

A. Pressure
B. Humidity
C. Temperature
D. Both B. and C.

A. Dew point
B. Wet bulb
C. Both A & B
D. Neither A nor B

A. Driving force for the vapour flow is the pressure drop
B. Liquids are not always at their bubble points
C. Pressure increases gradually from bottom to the top of the column
D. None of these

A. 21.7
B. 20
C. 27.3
D. 18.7

A. Same as “Van der Waals” adsorption
B. Characterised by adsorption of heat
C. An irreversible phenomenon
D. A reversible phenomenon

A. L/mG
B. G/mL
C. mL/G
D. LG/m

A. Zero
B. Unity
C. Infinity
D. None of these

A. Constant molal overflow
B. Total reflux
C. Constant relative volatility
D. All A., B. and C.