- (A) Solvent extraction
- (B) Continuous distillation
- (C) Evaporation
- (D) Absorption
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- (A) Truck drier
- (B) Agitated pan drier
- (C) Fluidised bed drier
- (D) Vacuum shelf drier
- (A) 2
- (B) 0.5
- (C) 50
- (D) 150
- (A) Less than
- (B) More than
- (C) Equal to
- (D) Either
- (A) Diffusivity of solute increases
- (B) Viscosity of solvent decreases
- (C) Thermal conductivity of solute increases
- (D) None of these
- (A) Agitation
- (B) Temperature
- (C) Particle size
- (D) None of these
- (A) Plate
- (B) Baffle
- (C) Packed
- (D) None of these
- (A) Increasing the air velocity over the wet surfaces
- (B) Reducing the humidity of entering air
- (C) Lowering the barometric pressure
- (D) None of these
- (A) (1 + Ro) = Ro/Ri
- (B) (1 – Ro) = Ro/Ri
- (C) (1 + Ri) = Ro/Ri
- (D) (1 – Ri) = Ro/Ri
- (A) Using higher reflux ratio
- (B) Use of increased tray spacing
- (C) Increasing the liquid flow rate
- (D) Increasing the vapour flow rate

