Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 24 to 36 hours 8 to 16 hours 4 to 8 hours 16 to 24 hours 24 to 36 hours 8 to 16 hours 4 to 8 hours 16 to 24 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.5 0.45 0.6 0.55 0.5 0.45 0.6 0.55 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is None of these 1 in 120 1 in 100 1 in 60 None of these 1 in 120 1 in 100 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is Cement concrete sewers Stone ware sewers Glazed bricks sewers Cast iron sewers Cement concrete sewers Stone ware sewers Glazed bricks sewers Cast iron sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pick up the incorrect statement from the following for allowing workers to enter sewers Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected Proper tests for the presence of poisonous gases must be carried out The men entering the manhole should be advised to smoke in the sewer The particular manhole and one manhole on upstream and one manhole on downstream should remain open for 30 minutes Warning signals should be erected ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage, the solids in mg per litre is 1500 to 2000 100 to 500 500 to 1000 1000 to 1500 1500 to 2000 100 to 500 500 to 1000 1000 to 1500 ANSWER DOWNLOAD EXAMIANS APP