*/*_For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is?

*/*_For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec

1.	/_For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is?
A.	10 cm
B.	12 cm
C.	15 cm
D.	18 cm
Answer» D. 18 cm