Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The water carried sewerage system removes All listed here Industrial sewage Domestic sewage Storm sewage All listed here Industrial sewage Domestic sewage Storm sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The following is the physical characteristic of sewage Colour All listed here Odour Turbidity Colour All listed here Odour Turbidity 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 Methane gas Carbondioxide gas Hydrogen sulphide gas Petrol vapours Methane gas Carbondioxide gas Hydrogen sulphide gas 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 3 2 2.5 1.5 3 2 2.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is classified as shallow if its depth is between 0.7 to 0.9 m 0.5 to 0.7 m 0.9 to 1.20 m 0.4 to 0.5 m 0.7 to 0.9 m 0.5 to 0.7 m 0.9 to 1.20 m 0.4 to 0.5 m ANSWER DOWNLOAD EXAMIANS APP
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