Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Sulphuric acid Hydrochloric acid Citric acid Nitric acid Sulphuric acid Hydrochloric acid Citric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Both A and B Shredder Comminutor Neither A nor B Both A and B Shredder Comminutor Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of maximum sewage flow to average sewage flow for trunk mains having diameters more than 1.25 m, is 3 1.5 4 2 3 1.5 4 2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewers, inverted siphon is provided for Four pipes Three pipes Two pipes One pipe Four pipes Three pipes Two pipes One pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is Straightness test Water test All listed here Smoke test Straightness test Water test All listed here Smoke test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed At 150 litres per capita Equal to the rate of water supply More than the rate of water supply Less than the rate of water supply At 150 litres per capita Equal to the rate of water supply More than the rate of water supply Less than the rate of water supply ANSWER DOWNLOAD EXAMIANS APP
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