Waste Water Engineering In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is 15 20 10 5 15 20 10 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Cement concrete sewers are only suitable if non-scouring velocity is between 3.5 to 4.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 4.5 to 5.5 m/sec 3.5 to 4.5 m/sec 3.0 to 4.0 m/sec 2.5 to 3.0 m/sec 4.5 to 5.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Parallel to the direction of flow Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these Parallel to the direction of flow Perpendicular to the direction of flow At an angle 30° to 60° to the direction of flow None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The stone ware sewers Are manufactured from clays and shale After casting are dried and burnt at temperature 150°C, 700°C and 1200°C All listed here Are used for carrying sewage and drainage from houses Are manufactured from clays and shale After casting are dried and burnt at temperature 150°C, 700°C and 1200°C All listed here Are used for carrying sewage and drainage from houses ANSWER DOWNLOAD EXAMIANS APP
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 50 cm 25 cm 40 cm 20 cm 50 cm 25 cm 40 cm 20 cm 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 Carbondioxide gas Methane gas Hydrogen sulphide gas Petrol vapours Carbondioxide gas Methane gas Hydrogen sulphide gas Petrol vapours ANSWER DOWNLOAD EXAMIANS APP
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