A. Thermal decomposition of bottoms
B. Increased relative volatility
C. Erosion of the tower
D. Very efficient operation
A. At ground level
B. 2 metres above the ground
C. 5 metres above ground
D. 10 metres above ground
A. Lewis relationship
B. Galileo number
C. Weber number
D. Dean number
Which of the following is directly concerned with Psychrometry ? Read More »
Mass Transfer A. Spray
B. Packed
C. Bubble cap plate
D. Wetted wall
A. 1
B. 0
C. ∞
D. None of these
A. Caustic solution
B. Dilute ammoniacal liquor
C. Dilute HCl
D. Ethanolamine
Ammonia present in the coke oven gas is removed by washing with___________________? Read More »
Mass Transfer A. Size
B. Durability
C. Porosity
D. Cost
A. Packed tower
B. Bubble-cap plate column
C. Sieve-plate column
D. Wetted wall column
Which of the following provides maximum contact surface for a liquid-vapour system ? 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. Schmidt number
B. Sherwood number
C. Lewis relationship
D. Froude number
Which is not concerned directly with mass transfer ? Read More »
Mass Transfer