A. Bollman extractor
B. Rotating disc extractor
C. Packed extraction column
D. Plate type extraction column
A. Less
B. More
C. Equal
D. Either A. or B.; depends on the packing height
A. Better flow characteristics
B. Low pumg pressure drop
C. Rapid absorption rates
D. All A., B. and C.
A. Wet bulb temperature
B. Relative humidity
C. Partial pressure of vapour
D. Both B. and C.
A. Only heat
B. Only mass
C. Both heat and mass
D. None of these
A. Interface
B. Gas phase
C. Liquid phase
D. All A , B. & C.
A. Agitated film evaporator
B. Long tube vertical evaporator
C. Short tube evaporator
D. Calandria
A. Half
B. Twice
C. Equal to
D. More than
A. Lies above the equilibrium curve
B. Lies below the equilibrium curve
C. Can lie above or below the equilibrium curve
D. Is always parallel to the equilibrium curve
A. S > 1
B. S < 1
C. S = 1
D. S = ∞