Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.1 0.05 0.5 0.25 0.1 0.05 0.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called None of these Imhoff tanks Sludge sedimentation tanks Trickling filters None of these Imhoff tanks Sludge sedimentation tanks Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the gas generally found, is All listed here Carbon dioxide (CO2) Hydrogen sulphide (H2S) Methane (CH4) All listed here Carbon dioxide (CO2) Hydrogen sulphide (H2S) Methane (CH4) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A cylindrical ejector having its height 2 m fills after every 10 minutes with a peak sewage discharge of 0.0157 cumec. The diameter of the ejector chamber, is 2.50 m 2.40 m 2.30 m 2.45 m 2.50 m 2.40 m 2.30 m 2.45 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is Slightly more than 5% of the design discharge Slightly less than 5% of the design discharge None of these 20% of the design discharge Slightly more than 5% of the design discharge Slightly less than 5% of the design discharge None of these 20% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias All of these Consume organic matter as their food Flourish in the presence of free oxygen Oxidise organic matter in sewage All of these Consume organic matter as their food Flourish in the presence of free oxygen Oxidise organic matter in sewage ANSWER DOWNLOAD EXAMIANS APP
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