- (A) Natural
- (B) Forced
- (C) Induced
- (D) None of these
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- (A) Temperature and pressure
- (B) Concentration
- (C) Nature of the constituents
- (D) None of these
- (A) Hot water
- (B) Hexane
- (C) Dilute H2SO4
- (D) Lime water
- (A) Flow rate of liquid
- (B) Flow rate of gas
- (C) Type and size of packing
- (D) None of these
- (A) Dry bulb temperature
- (B) Dew point
- (C) Wet bulb temperature
- (D) None of these
- (A) Heat gain or loss
- (B) Flow rate of entering liquid
- (C) Flow rate of gas
- (D) None of these
- (A) Equilibrium
- (B) Critical
- (C) Unbound
- (D) Bound
- (A) Added to alter the relative volatility of the mixture
- (B) Of high volatility
- (C) Present in overhead stream
- (D) Of high viscosity to give high tray efficiency
- (A) Partial pressure of vapour in the mixture
- (B) Heat capacity of the vapour
- (C) Density of the vapour
- (D) None of these
- (A) Natural draft cooling tower
- (B) Induced draft cooling tower
- (C) Spray chamber
- (D) None of these
