Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is 20% of the design discharge None of these Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge 20% of the design discharge None of these Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The flow velocity in detritus tanks is None of these 0.05 m/sec 0.09 m/sec 1.25 m/sec None of these 0.05 m/sec 0.09 m/sec 1.25 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Nitrogen Hydrogen Carbon dioxide Oxygen Nitrogen Hydrogen Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 30 days 60 days 90 days 15 days 30 days 60 days 90 days 15 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 20% less 10% less 10% more 20% more 20% less 10% less 10% more 20% more ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be More than 20 m/sec Less than 10 m/sec More than the self-cleansing velocity Less than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec More than the self-cleansing velocity Less than the self-cleansing velocity ANSWER DOWNLOAD EXAMIANS APP
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