Test Preparation on Civil Waste Water Engineering Part-3
1.
The formula V = (1/n) r2/3
2.
In sewers the highest non-scouring velocity is achieved in
3.
The maximum diameter of sewers adopted in the designs is
4.
If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of
5.
Facultative bacteria survive in
6.
For trunk and out-fall, the type of sewers generally used, is
7.
The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is
8.
The suitable cross-section of sewers to carry combined flow, is
9.
The underground sewers are more subjected to
10.
The minimum recommended diameter of sewers, is
11.
Ventilating shafts are provided to a sewer line at every
12.
The most efficient cross section of sewers in a separate sewerage system is
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