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in Environmental Engineering by (81.4k points)
______ provides the working space for maintenance and inspection of sewers.

(a) Lamp holes

(b) Manholes

(c) Flushing tanks

(d) Working chamber

This question was posed to me in an interview.

Origin of the question is Devices Associated with Sewer topic in portion Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering

1 Answer

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Best answer
Correct choice is (d) Working chamber

To elaborate: Working chamber provides the working space for maintenance and inspection of sewers. It is situated at the lower part of the manhole.

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