Are Slow Sand Filters More Efficient in Removing Bacteria than Rapid Sand Filters?

The answer is yes, slow sand filters are more efficient because the sand used in slow sand filters is finer than that in rapid sand filters.

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Que 71. Assertion A: Slow sand filters are more efficient in removal of bacteria than rapid sand filters. Reason R: The sand used in slow sand filters is finer than that in rapid sand filters. Select your answer based on the coding system given below: a) Both A and R are true and R is the correct explanation of A. b) both A and R are true but R is not the correct explanation of A. c) A is true but R is false d) A is false but R is trueCivil Engineering by Sandeep Jyani273