Consider the following statement regarding depth of sand of the rapid – McqOptions

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1.	Consider the following statement regarding depth of sand of the rapid gravity filter?1. It should be checked against breakage of floc2. The sand depth should lie between 100-200cm3. The floc should be attached through the sand bedWhich of the above statement is/are correct?
A.	Only 1
B.	1, 2
C.	2, 3
D.	Only 2
Answer» B. 1, 2

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