A. Dew point < wet bulb temperature
B. Wet bulb temperature < dry bulb temperature
C. Both A. and B.
D. Neither A. not B.
In case of unsaturated air____________________? Read More »
Mass Transfer A. Optimum number of trays
B. Minimum reboiler size
C. Maximum condenser size
D. Minimum number of trays
Minimum reflux ratio in a distillation column results in__________________? Read More »
Mass Transfer 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
Steady state equimolal counter diffusion is encountered in_____________________? Read More »
Mass Transfer A. Diffusion co-efficient
B. Mass transfer co-efficient
C. NTU
D. None of these
Experimental determination of _______________ is done by wetted wall column method? Read More »
Mass Transfer 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
Which of the following is an undesirable property in a tower packing ? Read More »
Mass Transfer 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
