Waste Water Engineering
The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is

0.20 cumec
0.12 cumec
0.15 cumec
0.10 cumec

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
Pick up the incorrect statement from the following for allowing workers to enter sewers

The men entering the manhole should be advised to smoke in the sewer
Warning signals should be erected
Proper tests for the presence of poisonous gases must be carried out
The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Waste Water Engineering