Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Ordinary manhole cannot be built Sewer line runs along a main road Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer Ordinary manhole cannot be built Sewer line runs along a main road Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer 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 Hydrogen sulphide gas Petrol vapours Carbondioxide gas Methane gas Hydrogen sulphide gas Petrol vapours Carbondioxide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 60 days 10 days 20 days 30 days 60 days 10 days 20 days 30 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Boussinesq’s equation for ascertaining unit pressure at a depth on sewers due to traffic loads, is pt = 2H3p/3 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 3H3p/2 Z5 pt = 2H3p/3 Z5 pt = 2H3p/3 Z5 pt = 3H3p/2 Z5 pt = 3H3p/2 Z5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage, the solids in mg per litre is 500 to 1000 100 to 500 1500 to 2000 1000 to 1500 500 to 1000 100 to 500 1500 to 2000 1000 to 1500 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is Foul and contains dissolved and suspended solids None of these As good as that from a complete treatment Fit for discharge into any open drain Foul and contains dissolved and suspended solids None of these As good as that from a complete treatment Fit for discharge into any open drain ANSWER DOWNLOAD EXAMIANS APP
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