Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 10 ppm 5 ppm 4 ppm 3 ppm 10 ppm 5 ppm 4 ppm 3 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The non-clog pump which permits solid matter to pass out with the liquid sewage, is Reciprocating pump Pneumatic ejector None of these Centrifugal pump Reciprocating pump Pneumatic ejector None of these Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Ventilating shafts are provided to a sewer line at every 100 m 150 m 300 m 200 m 100 m 150 m 300 m 200 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Flocculated particles do not change their None of these Weight Shape Size None of these Weight Shape Size ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Both types of bacterias Anaerobic bacteria None of these Aerobic bacteria Both types of bacterias Anaerobic bacteria None of these Aerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 4 to 8 hours 16 to 24 hours 8 to 16 hours 24 to 36 hours 4 to 8 hours 16 to 24 hours 8 to 16 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
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