Waste Water Engineering For efficient working of a sewer, it must be ensured that A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) Neither (A) nor (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Both (A) and (B) Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In freshly produced sewage At sewer pipes In sewer treatment plants None of these In freshly produced sewage At sewer pipes In sewer treatment plants None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For large sewers, maximum distance between manholes may be 200 m 300 m 50 m 100 m 200 m 300 m 50 m 100 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 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula which accepts the value of rugosity coefficient n = 0.012 to be used in Manning’s formula, is given by William-Hazen Bazin Crimp and Bruges Kutter William-Hazen Bazin Crimp and Bruges Kutter ANSWER DOWNLOAD EXAMIANS APP
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
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