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
C. The effluent cannot be reduced to zero hardness
D. It is unsuitable for softening the water of excessive hardness
Answer: Option B
Related Questions on Environmental Engineering
The distribution mains are designed for
A. Maximum daily demand
B. Maximum hourly demand
C. Average daily demand
D. Maximum hourly demand on maximum day
Sewage treatment units are designed for
A. Maximum flow only
B. Minimum flow only
C. Average flow only
D. Maximum and minimum flow
A. 4.5 to 6.0
B. 6.5 to 8.0
C. 8.5 to 10.0
D. 10.5 to 12.0
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