A natural draft cooling tower is filled with wooden grids, which covers about __________ percent of the tower height.

Related MCQs

• Use of natural draft cooling tower is practised, when the air has low
• In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the
• When the temperature and humidity of air is low, we usually use __________ draft cooling tower.
• 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
• H2S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H2S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is
• In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalent to a theoretical plate HTUOG = overall gas phase height of a transfer unit).
• In a moderately sized packed absorption tower, channelling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter
• Pressure drop through plate tower as compared to that through packed tower, for the same duty will be