Waste Water Engineering Which one of the following gases is most significant as air pollutant? Oxygen Carbondioxide Sulphur-dioxide Nitrogen Oxygen Carbondioxide Sulphur-dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer that unloads the sewage at the point of treatment is called House sewer Main sewer Outfall sewer Branch sewer House sewer Main sewer Outfall sewer Branch sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to All of these First stage demand Initial demand Carbonaceous demand All of these First stage demand Initial demand Carbonaceous demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is 4 hours 2 hours 6 hours 8 hours 4 hours 2 hours 6 hours 8 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewers Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements Must flow under gravity ½ to ¾ full Must be of adequate size to avoid over flow All listed here Must be laid at least 2 to 3 m deep to collect /water from the basements ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is None of these 20% of the design discharge Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge None of these 20% of the design discharge Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
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