Correct answer
C. excessive negative head
Explanation
The correct answer is excessive negative head.
A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is________?
Select the incorrect statement?
According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than________?
The drop man holes are generally provided in sewers for________?
Assertion A : For eccentricity ratio exceeding 1/6, effective thickness of masonry will get reduced. Reason R : For eccentricity ratio exceeding 1/6, there will be tension on one side of the member?
The maximum thickness of boundary layer in a pipe of radius r is________?