Waste Water Engineering The gas evolved in sewers is All of these Carbondioxide Hydrogen sulphide Methane All of these Carbondioxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 15 days 60 days 90 days 30 days 15 days 60 days 90 days 30 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 15 cumecs, the depth d and width are related by For drains up to B = 0.2 d d = 0.2 B B = 0.5 d d = 0.5 B B = 0.2 d d = 0.2 B B = 0.5 d d = 0.5 B ANSWER DOWNLOAD EXAMIANS APP
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 400 mg/l 300 mg/l 100 mg/l 200 mg/l 400 mg/l 300 mg/l 100 mg/l 200 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 250 mg/l 100 mg/l 50 mg/l 150 mg/l 250 mg/l 100 mg/l 50 mg/l 150 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Unexpected large scale infiltration of stream water All of these Under estimates of maximum and average flows Unexpected increase in the population Unexpected large scale infiltration of stream water All of these Under estimates of maximum and average flows Unexpected increase in the population ANSWER DOWNLOAD EXAMIANS APP
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