Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Carbondioxide is formed Nitrates are formed Ammonia is formed Nitrites are formed Carbondioxide is formed Nitrates are formed Ammonia is formed Nitrites 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
Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Petrol vapours Hydrogen sulphide gas Methane gas Carbondioxide gas Petrol vapours Hydrogen sulphide gas Methane gas Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Thrice the average demand Four times the average demand Average demand Twice the average demand Thrice the average demand Four times the average demand Average demand Twice the average demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Both types of bacterias Aerobic bacteria None of these Anaerobic bacteria Both types of bacterias Aerobic bacteria None of these Anaerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which transports the sewage to the point of treatment, is called Main sewer Branch sewer Out-fall sewer House sewer Main sewer Branch sewer Out-fall sewer House sewer ANSWER DOWNLOAD EXAMIANS APP