Water entrained by circulating air in cooling towers is termed as

Related MCQs

• At equilibrium the concentration of water in vapour phase (C*) in kg/m3 of air space and the amount of water (m) adsorbed per kg of dry silica gel are related by, C* = 0.0667m. To maintain dry conditions in a room of air space 100m3 containing 2.2 kg of water vapour initially, 10 kg of dry silica gel is kept in the room. The fraction of initial water remaining in the air space after a long time (during which the temperature is maintained constant) is
• The reason for preferring packed towers over plate towers in distillation practice is that the packed tower operation gives
• Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the
• An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively. The humidity of air sample expressed as kg of water vapour/kg of dry air is:
• In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number.
• Pick out the wrong statement pertaining to the cooling towers.
• The cooling effect in a cooling tower can be speeded up by
• The cooling effect in a cooling tower cannot be increased by
• The term "cooling range" in a cooling tower refers to the difference in the temperature of
• The temperature of water cooled in cooling tower is always __________ temperature of entering air.