- (A) Drum drier
- (B) Spray drier
- (C) Tunnel drier
- (D) Tray drier
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- (A) Vapors and liquids are at their dew point and bubble point respectively
- (B) Driving force for the liquid flow is its specific weight
- (C) Driving force for the vapor flow is the pressure drop, as the pressure decreases gradually from the bottom to the top of the column
- (D) Highest temperature is encountered at the top of the column
- (A) Directly proportional to ‘T1.5’
- (B) Inversely proportional to ‘P’
- (C) Dependent on the molecular volume & molecular weight of components
- (D) All A ,
- (A) Reboiler is not used in open steam distillation
- (B) The separation of solutes of different molecular sizes in a liquid solution by use of a suitable membrane is called dialysis
- (C) Freeze drying is used for the drying of fish
- (D) Fenske-Underwood equation is used for calculating theoretical number of plates in a distillation column at normal operating reflux condition
- (A) Electrical resistance
- (B) Thermal conductivity
- (C) Strength
- (D) None of these
- (A) Packed
- (B) Bubble
- (C) Spray
- (D) Tray
- (A) Gas film
- (B) Liquid film
- (C) Liquid-gas interface
- (D) None of these
- (A) 5
- (B) 30
- (C) 60
- (D) 100
- (A) > 4 :1
- (B) < 8 : 1
- (C) > 8:1
- (D) < 6:1
- (A) Liquid extraction
- (B) Distillation
- (C) Evaporation
- (D) Absorption

