Question
Consider the following statement regarding the depth of sand of the rapid gravity filter?
i. It should be checked against breakage of floc
ii. The sand depth should lie between 100-200cm
iii. The floc should be attached through the sand bed
Which of the above statement is/are correct?
i. It should be checked against breakage of floc
ii. The sand depth should lie between 100-200cm
iii. The floc should be attached through the sand bed
Which of the above statement is/are correct?
Answer: Option A
Answer: (a).Only i
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Answer: (a).Only i
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