A sewer pipe contains 1 mm sand particles of specific gravity...

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A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is

A. 0.30 m/sec

B. 0.35 m/sec

C. 0.40 m/sec

D. 0.45 m/sec

Answer: Option D

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