Waste Water Engineering The design period in years for pumping plants, is 5 to 10 3 to 5 2 to 3 1 5 to 10 3 to 5 2 to 3 1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.5 0.1 0.25 0.05 0.5 0.1 0.25 0.05 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed Equal to the rate of water supply More than the rate of water supply Less than the rate of water supply At 150 litres per capita Equal to the rate of water supply More than the rate of water supply Less than the rate of water supply At 150 litres per capita ANSWER DOWNLOAD EXAMIANS APP
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 A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Methane gas Carbondioxide gas Hydrogen sulphide gas Petrol vapours Methane gas Carbondioxide gas Hydrogen sulphide gas Petrol vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Circular shaped Horse shoe shaped Parabolic shaped Standard egg shaped Circular shaped Horse shoe shaped Parabolic shaped Standard egg shaped ANSWER DOWNLOAD EXAMIANS APP
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