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The diameter of plain cement concrete pipes used for sewerage system is __________

(a) 20mm

(b) 30mm

(c) 90mm

(d) 63mm

The question was asked by my college professor while I was bunking the class.

This intriguing question originated from Material for Sewers in portion Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering

1 Answer

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Best answer
Right option is (c) 90mm

To explain: The range of diameter of plain cement concrete pipes for sewerage system is from 80mm to 450mm and its thickness varies from 25 to 35mm.

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