Waste Water Engineering Dried sewage after treatment is used as Chemical for lowering B.O.D. Base material for paints Building material Fertilizer Chemical for lowering B.O.D. Base material for paints Building material Fertilizer ANSWER DOWNLOAD EXAMIANS APP
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 The standard B.O.D. of water is taken for 2 days 3 days 5 days 1 day 2 days 3 days 5 days 1 day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is [(100 – P1)/(100 + P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 + P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 + P1)/(100 – P2)] V1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers Tops of both the sewers are at the same level Top of smaller sewer is kept lower None of these Top of larger sewer is kept lower Tops of both the sewers are at the same level Top of smaller sewer is kept lower None of these Top of larger sewer is kept lower ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It is cheaper in construction It provides maximum area for a given perimeter It provides maximum hydraulic mean depth All listed here It is cheaper in construction It provides maximum area for a given perimeter It provides maximum hydraulic mean depth All listed here ANSWER DOWNLOAD EXAMIANS APP
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