Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 100 mg/l 300 mg/l 200 mg/l 400 mg/l 100 mg/l 300 mg/l 200 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dry weather flow is: Average daily rate of flow Average annual rate of flow Water supply allowance per capita Average monthly rate of flow Average daily rate of flow Average annual rate of flow Water supply allowance per capita Average monthly rate of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Parabolic Circular New egged Rectangular Parabolic Circular New egged Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.55 2.65 2.5 2.25 2.55 2.65 2.5 2.25 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Recovery Degradation Active decomposition Cleaner water Recovery Degradation Active decomposition Cleaner water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The factor responsible for purification of sewage in river is Hydrology Dissolved oxygen in water All listed here Temperature Hydrology Dissolved oxygen in water All listed here Temperature ANSWER DOWNLOAD EXAMIANS APP
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