Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 25°C 15°C 20°C 0°C 25°C 15°C 20°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known Lateral sewer Branch sewer House sewer Sewer outfall Lateral sewer Branch sewer House sewer Sewer outfall ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.9 0.95 0.99 0.999 0.9 0.95 0.99 0.999 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 30 litres/person/year 30 litres/person/month 25 litres/person/month 25 litres/person/year 30 litres/person/year 30 litres/person/month 25 litres/person/month 25 litres/person/year ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 16 to 24 hours 8 to 16 hours 4 to 8 hours 24 to 36 hours 16 to 24 hours 8 to 16 hours 4 to 8 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen ANSWER DOWNLOAD EXAMIANS APP
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