Waste Water Engineering In sewers the gas generally found, is All listed here Hydrogen sulphide (H2S) Methane (CH4) Carbon dioxide (CO2) All listed here Hydrogen sulphide (H2S) Methane (CH4) Carbon dioxide (CO2) 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 100 downward 1 in 503 upward 1 in 100 upward 1 in 500 upward 1 in 100 downward 1 in 503 upward 1 in 100 upward 1 in 500 upward ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 150 to 200 Between 200 to 300 More than 500 Less than 150 Between 150 to 200 Between 200 to 300 More than 500 Less than 150 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Nitrates Nitrites Aluminoid nitrogen Free ammonia Nitrates Nitrites Aluminoid nitrogen Free ammonia ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sludge banks are formed if sewage is disposed of in Seas Rivers Lakes None of these Seas Rivers Lakes None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 225 ppm 250 ppm None of these 200 ppm 225 ppm 250 ppm None of these 200 ppm ANSWER DOWNLOAD EXAMIANS APP
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