Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.94 D D’ = 0.74 D D’ = 0.64 D D’ = 0.84 D D’ = 0.94 D D’ = 0.74 D D’ = 0.64 D D’ = 0.84 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in One hour Three to four hours Two to three hours Six hours One hour Three to four hours Two to three hours Six hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gradient of sewers depends upon Discharge Velocity of flow Diameter of the sewer All listed here Discharge Velocity of flow Diameter of the sewer All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, Flow velocity is kept 0.09 m/sec Organic and inorganic materials are separated All listed here Detention period is kept 3 to 4 minutes Flow velocity is kept 0.09 m/sec Organic and inorganic materials are separated All listed here Detention period is kept 3 to 4 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by None of these Anaerobic bacteria Both types of bacterias Aerobic bacteria None of these Anaerobic bacteria Both types of bacterias Aerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Active decomposition Degradation Cleaner water Recovery Active decomposition Degradation Cleaner water Recovery ANSWER DOWNLOAD EXAMIANS APP
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