Waste Water Engineering The pH value of fresh sewage is usually Equal to zero Less than 7 More than 7 Equal to 7 Equal to zero Less than 7 More than 7 Equal to 7 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Degradation Recovery Cleaner water Active decomposition Degradation Recovery Cleaner water Active decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 100 cm 150 cm 110 cm 120 cm 100 cm 150 cm 110 cm 120 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Traps Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers Dissolve the foul gases Create symphonic action to increase the quick disposal of sewerage Are water seals which prevent the entry of foul gases Are used to trap the rats entering sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 10 days 30 days 60 days 20 days 10 days 30 days 60 days 20 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 200 m 100 m 300 m 50 m 200 m 100 m 300 m 50 m ANSWER DOWNLOAD EXAMIANS APP
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