A. Bollman extractor
B. Rotating disc extractor
C. Packed extraction column
D. Plate type extraction column
Desulphurisation of petrol is done in a _____________________? Read More »
Mass Transfer 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
Drying of a solid involves _________________ transfer ? Read More »
Mass Transfer 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
Which of the following is used for the concentration of rubber latex ? Read More »
Mass Transfer 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 = ∞
