Waste Water Engineering If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is 6 hours 8 hours 4 hours 2 hours 6 hours 8 hours 4 hours 2 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Circular shaped Standard egg shaped Parabolic shaped Horse shoe shaped Circular shaped Standard egg shaped Parabolic shaped Horse shoe shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In areas where rainy season is limited to a few months, the type of sewerage system recommended is Combined system None of these Separate system Partially separate system Combined system None of these Separate system Partially separate system ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Pneumatic ejector Air pressure pump Centrifugal pump Reciprocating pump Pneumatic ejector Air pressure pump Centrifugal pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
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 200 mg/l 300 mg/l 100 mg/l 400 mg/l 200 mg/l 300 mg/l 100 mg/l 400 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Nitrogen cycle of sewage, is Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates ANSWER DOWNLOAD EXAMIANS APP