Search
.Management Sciences
Category: Mass Transfer
Hypersorption refers to a ________________ process?
A. Fixed bed absorption
B. Moving bed absorption
C. Fixed bed adsorption
D. Moving bed adsorption
If f = moles of vapour present per mole of feed, then the slope of feed line is (McCabe- Thiele method) ________________________?
A. (1 – f)/f
B. – (f – 1)/f
C. -1/f
D. -f/(1 – f)
Minimum possible diameter of a packed column is decided mainly by the________________________?
A. Flooding
B. Gas viscosity
C. Liquid density
D. Liquid hold up
A packed tower compared to a plate tower for a particular mass transfer operation__________________?
A. Incurs smaller pressure drop
B. Allows installation of cooling coils
C. Is less costly when built in large sizes/diameters
D. Is more suitable, if suspended solids are present in fluid streams
An ideal tower packing should not _______________________?
A. Have low weight per unit volume
B. Have large surface area per unit volume
C. Have large free cross-section
D. Hold up large amount of liquid in the packing
______________ column is the most suitable for achieving the best performance for mass transfer operations involving liquid with dispersed solids ?
A. Wetted wall
B. Packed
C. Plate
D. Spray
(NSh/NRe.NSc) is termed in mass transfer operation as the __________________________?
A. Stanton number
B. Peclet number
C. Thermal diffusivity
D. Momentum diffusivity
Which of the following solutions will follow Raoult’s law most closely ?
A. A solution of benzene, toluene and o-xylene
B. 35% solution of camphor in water
C. 35% solution of NH3 in water
D. A solution of polar organic compounds (not of homologue of a series)
Recent Comments