- (A) At ground level
- (B) 2 metres above the ground
- (C) 5 metres above ground
- (D) 10 metres above ground
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- (A) Lewis relationship
- (B) Galileo number
- (C) Weber number
- (D) Dean number
- (A) Spray
- (B) Packed
- (C) Bubble cap plate
- (D) Wetted wall
- (A) Film
- (B) Penetration
- (C) Surface-renewal
- (D) None of these
- (A) Classification
- (B) Sedimentation
- (C) Clarification
- (D) Leaching
- (A) Yes
- (B) Normally not; but is possible if infinite number of plates are put
- (C) Never
- (D) Yes; if the reflux ratio is maximum
- (A) Increases
- (B) Decreases
- (C) Remain same
- (D) Either
- (A) Ethanolamine
- (B) K2CO3
- (C) HCl
- (D) Vacuum gas oil
- (A) Separation of the constituents is the most effective
- (B) No separation will occur
- (C) Amount of solvent required will be minimum
- (D) Solvent flow rate should be very low
- (A) Humidity
- (B) Velocity
- (C) Temperature
- (D) All
