Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 20°C 15°C 25°C 0°C 20°C 15°C 25°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum At sewer pipes In freshly produced sewage None of these In sewer treatment plants At sewer pipes In freshly produced sewage None of these In sewer treatment plants ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is 1.085 1.065 1.095 1.075 1.085 1.065 1.095 1.075 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Primary treatment of sewage consists of removal of Large suspended organic solids Floating materials Sand and girt Oil and grease Large suspended organic solids Floating materials Sand and girt Oil and grease ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is 0.68 m 1.36 m 1.76 m 0.88 m 0.68 m 1.36 m 1.76 m 0.88 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Recovery Degradation Cleaner water Active decomposition Recovery Degradation Cleaner water Active decomposition ANSWER DOWNLOAD EXAMIANS APP
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