Waste Water Engineering The clarigesters are Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Circular septic tanks Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Circular septic tanks Rectangular septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.94 D D’ = 0.84 D D’ = 0.74 D D’ = 0.64 D D’ = 0.94 D D’ = 0.84 D D’ = 0.74 D D’ = 0.64 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Silting occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is 20% of the design discharge None of these Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge 20% of the design discharge None of these Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Ammonia is formed Carbondioxide is formed Nitrites are formed Nitrates are formed Ammonia is formed Carbondioxide is formed Nitrites are formed Nitrates are formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following resists hydrogen sulphide corrosion? R.C.C. Glazed ware Glazed stone wares Asbestos cement R.C.C. Glazed ware Glazed stone wares Asbestos cement ANSWER DOWNLOAD EXAMIANS APP
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