Environmental Engineering
The distribution mains are designed for

Maximum hourly demand on maximum day
Average daily demand
Maximum daily demand
Maximum hourly demand

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Environmental Engineering
In lime-soda process

Lime reduces the carbonate hardness and soda-ash removes the non-carbonate hardness
Only carbonate hardness is removed
Lime reduces the non-carbonate hardness and soda-ash removes the carbonate hardness
Only noncarbonated hardness is removed

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