Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is 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 Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hazen’s formula VS = 418 (GS – Gw)d [(3T + 70)/100] is used for the settlement velocity of the particles of diameter Less than 0.1 mm Less than 0.05 mm Greater than 0.1 mm Less than 0.01 mm Less than 0.1 mm Less than 0.05 mm Greater than 0.1 mm Less than 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The shape is rectangular All of these Detention period is 2 hours The velocity of flow is restricted to 0.30 m/minute The shape is rectangular All of these Detention period is 2 hours The velocity of flow is restricted to 0.30 m/minute 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
Waste Water Engineering The asbestos cement pipes are generally laid At an angle of 30° Horizontally Vertically At an angle of 60° At an angle of 30° Horizontally Vertically At an angle of 60° ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 20 days 30 days 10 days 60 days 20 days 30 days 10 days 60 days ANSWER DOWNLOAD EXAMIANS APP
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