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Which of the following device prevents the back flow of wastewater?

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in Environmental Engineering by (81.4k points)
Which of the following device prevents the back flow of wastewater?

(a) Gate valve

(b) Check valve

(c) Union

(d) Pump lift chain

This question was posed to me in semester exam.

Enquiry is from Inverted Siphon, Storm Regulator and Sewage Pumping topic in portion Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering

1 Answer

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Best answer
Correct answer is (b) Check valve

The explanation: Check valve allows the flow of wastewater in one direction and prevents the back flow of water.

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