A. Dew point < wet bulb temperature
B. Wet bulb temperature < dry bulb temperature
C. Both A. and B.
D. Neither A. not B.
A. Optimum number of trays
B. Minimum reboiler size
C. Maximum condenser size
D. Minimum number of trays
A. Separation of a binary mixture by distillation
B. Absorption of NH3 from air by water
C. All liquid-liquid diffusion systems
D. All liquid-solid diffusion systems
A. Diffusion co-efficient
B. Mass transfer co-efficient
C. NTU
D. None of these
A. Spray
B. Packed
C. Bubble cap plate
D. Wetted wall
A. At ground level
B. 2 metres above the ground
C. 5 metres above ground
D. 10 metres above ground
A. Thermal decomposition of bottoms
B. Increased relative volatility
C. Erosion of the tower
D. Very efficient operation
A. Large surface per unit volume
B. Large free cross-section
C. Low weight per unit volume
D. Large weight of liquid retained
A. 1
B. 0
C. ∞
D. None of these
A. No change in theoretical
B. Marginal decrease in the number of
C. Major decrease in the number of
D. None of these