The hourly variation factor is usually taken as______________?
B. 1.8
C. 2.0
D. 2.7
B. 1.8
C. 2.0
D. 2.7
B. 1.8
C. 2.0
D. 2.7
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The major disadvantage of lime soda process of water softening is that_________________?
The major disadvantage of lime soda process of water softening is that_________________? A. it is unsuitable for turbid and acidic water
B. huge amount of precipitate is formed which creates a disposal problem(Correct)
C. the effluent cannot be reduced to zero hardness
D. it is unsuitable for softening the water of excessive hardness