Waste Water Engineering The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is 30 m 75 m 20 m 45 m 30 m 75 m 20 m 45 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 5 minutes 1 minute 3 minutes 2 minutes 5 minutes 1 minute 3 minutes 2 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For laying a sewer line in a trench of 2 m width, an offset line is marked on the ground parallel to the given centre line at a distance of 160 cm 140 cm 100 cm 120 cm 160 cm 140 cm 100 cm 120 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Sewer line runs along a main road Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Two sewer lines intersect Sewer line runs along a main road Ordinary manhole cannot be built Invert level of a branch sewer is more than 60 cm that of the main sewer Two sewer lines intersect ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 200 to 300 More than 500 Between 150 to 200 Less than 150 Between 200 to 300 More than 500 Between 150 to 200 Less than 150 ANSWER DOWNLOAD EXAMIANS APP
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