- (A) Using higher reflux ratio
- (B) Use of increased tray spacing
- (C) Increasing the liquid flow rate
- (D) Increasing the vapour flow rate
Chemical Engineering Mcqs
- (A) Hydrochloric acid
- (B) Nitric acid
- (C) Alkalis
- (D) Sulphuric acid
- (A) Increases with temperature
- (B) Decreases with temperature
- (C) May increase or decrease with temperature
- (D) Is independent of temperature
- (A) Free
- (B) Equilibrium
- (C) Unbound
- (D) Bound
- (A) 1
- (B) ∞
- (C) 0.5
- (D) 2
- (A) High temperature distillation
- (B) For heat-sensitive materials
- (C) Very low pressure distillation
- (D) Both
- (A) Wet bulb temperature
- (B) Relative humidity
- (C) Partial pressure of vapour
- (D) None of these
- (A) 90
- (B) 91.5
- (C) 95
- (D) 99
- (A) 15 min
- (B) 51 min
- (C) 71 min
- (D) 94 min
- (A) Azeotropic mixture is to be separated and the final product is miscible with water
- (B) Liquids decompose, if distilled directly at atmospheric pressure
- (C) Material cannot be distilled by indirect heating even under low pressure, because of the high boiling temperature
- (D) Material to be distilled is thermally unstable or has the tendency to react with other components associated with it, at the boiling temperature
