Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 25 cm 50 cm 20 cm 40 cm 25 cm 50 cm 20 cm 40 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is Foul and contains dissolved and suspended solids As good as that from a complete treatment None of these Fit for discharge into any open drain Foul and contains dissolved and suspended solids As good as that from a complete treatment None of these Fit for discharge into any open drain ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which resists sulphide corrosion, is Lead sewer R.C. sewer Brick sewer Cast iron sewer Lead sewer R.C. sewer Brick sewer Cast iron sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the flame of a miner's safety lamp in the upper layers of the sewer forms an explosive, the sewer certainly contains Hydrogen sulphide Oxygen Methane Carbon dioxide Hydrogen sulphide Oxygen Methane Carbon dioxide 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 Carbondioxide gas Methane gas Hydrogen sulphide gas Petrol vapours Carbondioxide gas Methane gas Hydrogen sulphide gas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4.5 m 4 m 3.5 m 3 m 4.5 m 4 m 3.5 m 3 m ANSWER DOWNLOAD EXAMIANS APP
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