Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen 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 Bazin William-Hazen Kutter Crimp and Bruges Bazin William-Hazen Kutter Crimp and Bruges ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? Water test All of these Ball test Mirror test Water test All of these Ball test Mirror test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be Less than the self-cleansing velocity Less than 10 m/sec More than 20 m/sec More than the self-cleansing velocity Less than the self-cleansing velocity Less than 10 m/sec More than 20 m/sec More than the self-cleansing velocity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 50 cm c/c 22.5 cm c/c 30 cm c/c 15 cm c/c 50 cm c/c 22.5 cm c/c 30 cm c/c 15 cm c/c ANSWER DOWNLOAD EXAMIANS APP
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