The loss of head during cleaning operation of a rapid sand filter is
The thickness of the suspended matter on top of the sand bed is
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When the loss of the head exceeds the static head, the head becomes _____
What is the permissible negative head loss of a rapid sand filter?
Which type of problem is caused in filter due to accumulation of solids on the top surface of filter media?
______ are formed in filters due to insufficient washing of sand grains.
In which type of filtration problem, layers of gravel are displaced?
_______ type of trouble in filter is caused by the released of dissolved air and gases from water.
14 videos|99 docs|98 tests
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14 videos|99 docs|98 tests
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