Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/3 D/1 D/2 D/4 D/3 D/1 D/2 D/4 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In circular sewers if depth of flow is 0.2 times the full depth, the nominal gradient, Is trebled Is not enough Is doubled Is only provided Is trebled Is not enough Is doubled Is only provided ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the gas generally found, is All listed here Carbon dioxide (CO2) Methane (CH4) Hydrogen sulphide (H2S) All listed here Carbon dioxide (CO2) Methane (CH4) Hydrogen sulphide (H2S) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Imhoff tanks None of these Sludge sedimentation tanks Trickling filters Imhoff tanks None of these Sludge sedimentation tanks Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Parabolic Circular Rectangular New egged Parabolic Circular Rectangular New egged ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/(B × L) Q/(B × D) Q/(L × D) Q/L Q/(B × L) Q/(B × D) Q/(L × D) Q/L ANSWER DOWNLOAD EXAMIANS APP
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