Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Two sewer lines intersect Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer Ordinary manhole cannot be built Two sewer lines intersect Sewer line runs along a main road Invert level of a branch sewer is more than 60 cm that of the main sewer Ordinary manhole cannot be built ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by Chezy Manning Kutter Bazin Chezy Manning Kutter Bazin ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is 45 m 20 m 30 m 75 m 45 m 20 m 30 m 75 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The design period in years for pumping plants, is 1 5 to 10 2 to 3 3 to 5 1 5 to 10 2 to 3 3 to 5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2 1.5 2.5 3 2 1.5 2.5 3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering At the junction of sewers None of these Top of smaller sewer is kept lower Tops of both the sewers are at the same level Top of larger sewer is kept lower None of these Top of smaller sewer is kept lower Tops of both the sewers are at the same level Top of larger sewer is kept lower ANSWER DOWNLOAD EXAMIANS APP
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