A. The change of gradient
B. The change of direction
C. The junctions of sewers
D. All of these
Correct Answer: All of these ✔
Last Updated: August 25, 2020
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- The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is__________?
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- In sewers the effect of scouring is more on__________?
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- The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known__________?
- Water content of sewage is about__________?
- The most efficient cross-section of sewers in a combined sewerage system is__________?
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