Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross section of sewers in a separate sewerage system is Rectangular New egged Circular Parabolic Rectangular New egged Circular Parabolic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 150 to 200 Less than 150 More than 500 Between 200 to 300 Between 150 to 200 Less than 150 More than 500 Between 200 to 300 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which transports the sewage to the point of treatment, is called Branch sewer Out-fall sewer House sewer Main sewer Branch sewer Out-fall sewer House sewer Main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is 0.05554 cumec 0.05556 cumec 0.0556 cumec 0.05552 cumec 0.05554 cumec 0.05556 cumec 0.0556 cumec 0.05552 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Disposal to sewage in large cities, is done in Oxidation Irrigation Dilution Purification Oxidation Irrigation Dilution Purification ANSWER DOWNLOAD EXAMIANS APP
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