Waste Water Engineering The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is 1 in 500 upward 1 in 100 upward 1 in 100 downward 1 in 503 upward 1 in 500 upward 1 in 100 upward 1 in 100 downward 1 in 503 upward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Air pressure pump Centrifugal pump Pneumatic ejector Reciprocating pump Air pressure pump Centrifugal pump Pneumatic ejector Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Ammonia is formed Carbondioxide is formed Nitrates are formed Nitrites are formed Ammonia is formed Carbondioxide is formed Nitrates are formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The minimum diameter of sewer to be adopted is 10 cm 15 cm 12.5 cm 25 cm 10 cm 15 cm 12.5 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Chemical for lowering B.O.D. Base material for paints Fertilizer Building material Chemical for lowering B.O.D. Base material for paints Fertilizer Building material ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to Carbonaceous demand All of these First stage demand Initial demand Carbonaceous demand All of these First stage demand Initial demand ANSWER DOWNLOAD EXAMIANS APP
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