1.

For efficient working of a sewer, it must be ensured that

A. minimum velocity of 0.45 m/sec, is maintained at its minimum flow
B. a maximum velocity of 0.90 m/sec, is maintained at its maximum flow
C. both (a) and (b)
D. neither (a) nor (b).
Answer» D. neither (a) nor (b).


Discussion

No Comment Found