Waste Water Engineering If the flame of a miner’s safety lamp in a manhole extinguishes within 5 minutes, the sewer certainly contains Methane Hydrogen sulphide Carbon dioxide Oxygen Methane Hydrogen sulphide Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following tests is used for testing sewer pipes? Mirror test All of these Ball test Water test Mirror test All of these Ball test Water test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, Organic and inorganic materials are separated All listed here Detention period is kept 3 to 4 minutes Flow velocity is kept 0.09 m/sec Organic and inorganic materials are separated All listed here Detention period is kept 3 to 4 minutes Flow velocity is kept 0.09 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of minimum hourly flow to the average flow of sewage is 43832 43834 43833 43894 43832 43834 43833 43894 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which received discharge from two or more main sewers, is known as A main sewer A trunk sewer An outfall sewer An intercepting sewer A main sewer A trunk sewer An outfall sewer An intercepting sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine Phenol-di -sulphuric acid and potassium hydroxide Potassium permanganate None of these Sulphuric acid and napthamine ANSWER DOWNLOAD EXAMIANS APP
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