Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in Six hours Two to three hours One hour Three to four hours Six hours Two to three hours One hour Three to four hours ANSWER DOWNLOAD EXAMIANS APP
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 8 hours 2 hours 6 hours 4 hours 8 hours 2 hours 6 hours 4 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? Ball test All of these Water test Mirror test Ball test All of these Water test Mirror test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In 1000 kg of sewage, the total solids approximate 0.5 to 1.0 kg 1 kg to 2.0 kg 7.5 kg to 10 kg 5 kg to 7.5 kg 0.5 to 1.0 kg 1 kg to 2.0 kg 7.5 kg to 10 kg 5 kg to 7.5 kg ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewers, inverted siphon is provided for Four pipes Three pipes Two pipes One pipe Four pipes Three pipes Two pipes One pipe ANSWER DOWNLOAD EXAMIANS APP
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