+2 votes
in Environmental Engineering by (81.4k points)
___________ is the process in which ground water unfiltrate into the sewers.

(a) Exfiltration

(b) Infiltration

(c) Filtration

(d) Osmosis

I had been asked this question in an interview for job.

My question is taken from Dry Weather Flow topic in chapter Water Supply for Building, Collection and Conveyance of Sewage, Waste Water Flow Rate of Environmental Engineering

1 Answer

+1 vote
by (693k points)
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Best answer
Right choice is (b) Infiltration

The explanation: Infiltration is the process in which ground water unfiltrate into the sewers. It increases the load on the treatment work.

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