Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow rate Overflow velocity Surface loading All of these Overflow rate Overflow velocity Surface loading All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.05 0.1 0.25 0.5 0.05 0.1 0.25 0.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sludge does not contain waste water from Toilets Kitchen sinks Wash basins Bath rooms Toilets Kitchen sinks Wash basins Bath rooms ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Hydrochloric acid Nitric acid Sulphuric acid Citric acid Hydrochloric acid Nitric acid Sulphuric acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
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 503 upward 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 ANSWER DOWNLOAD EXAMIANS APP
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