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The under drainage system in pressure consists of __________

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in Environmental Engineering by (81.4k points)
The under drainage system in pressure consists of __________

(a) Central drains connected to lateral drain

(b) Wheeler system

(c) Wagner system

(d) Pipe grids, false bottom

I had been asked this question in an internship interview.

Query is from Pressure Filter in portion Filtration of Environmental Engineering

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Right answer is (d) Pipe grids, false bottom

For explanation: The under drainage system in pressure consists of pipe grids, false bottom and the washing of filter media is accomplished by reversing the flow by manipulating the valves in the pipe.

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