Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Carbondioxide is formed Ammonia is formed Nitrates are formed Nitrites are formed Carbondioxide is formed Ammonia is formed Nitrates are formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following part of human body withstands minimum radiation? Kidneys Ovaries/testis Thyroid Eyes Kidneys Ovaries/testis Thyroid Eyes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer running partially full and hurried with back filled, fails in compression due to Weight of the pipe All listed here Superimposed traffic loads Weight of the back fill Weight of the pipe All listed here Superimposed traffic loads Weight of the back fill ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 30 days 90 days 15 days 60 days 30 days 90 days 15 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 2 2.5 3 1.5 2 2.5 3 1.5 ANSWER DOWNLOAD EXAMIANS APP