Civil Engineering MCQAE Level Civil Engineering
A circular sewer 2 m diameter has to carry 2 m^3/s when flowing nearly full. Minimum slope to initiate flow, Manning's n = 0.015, is
Environmental EngineeringEnvironmental EngineeringMEDIUM
Choose the correct answer
A
0.00023
B
0.000091
C
0.000036
D
0.000014
Correct Answer
A. 0.00023
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Using Manning's formula with A = piD^2/4 and R = D/4 gives S ≈ 0.00023
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This MCQ belongs to WBPSC AE Previous Years Questions Series. Full tests include timed attempts, rank comparison and subject-wise analysis.