Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 10 ppm 3 ppm 4 ppm 5 ppm 10 ppm 3 ppm 4 ppm 5 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Cleaner water Degradation Active decomposition Recovery Cleaner water Degradation Active decomposition Recovery ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Design period of 40 to 50 years is adopted for All listed here Main sewers Trunk sewers Branch sewers All listed here Main sewers Trunk sewers Branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 5 minutes 2 minutes 3 minutes 1 minute 5 minutes 2 minutes 3 minutes 1 minute ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A nuisance is experienced in diluting water if dilution factor is less than 20 60 100 40 20 60 100 40 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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