Identify the correct statement from the following options. Options: A . &nbspRapid sand filter has a high initial cost B . &nbspCoagulation is essential in slow sand filter C . &nbspSlow sand filter requires skilled supervision D . &nbspPeriod of cleaning of Rapid sand filter is 1-2 days

Identify the correct statement from the following options.

Question

Identify the correct statement from the following options.

Options:

A . Rapid sand filter has a high initial cost

B . Coagulation is essential in slow sand filter

C . Slow sand filter requires skilled supervision

D . Period of cleaning of Rapid sand filter is 1-2 days

Answer: Option D
Answer: (d).Period of cleaning of Rapid sand filter is 1-2 days

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