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The non scouring velocity required for cast iron sewer pipes is __________

(a) 50cm/Sec

(b) 350cm/Sec

(c) 160cm/Sec

(d) 220cm/Sec

I got this question in an interview for job.

This is a very interesting question from Minimum and Maximum Velocity of Flow topic in chapter Hydraulic Design of Sewers of Environmental Engineering

1 Answer

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Best answer
Right answer is (b) 350cm/Sec

To explain: The non scoring velocity depends on the material sewer and it is higher for cast iron sewer pipe with a range of 350-450cm/Sec.

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