- Waste Water Engineering - Section 1
- Waste Water Engineering - Section 2
- Waste Water Engineering - Section 3
- Waste Water Engineering - Section 4
- Waste Water Engineering - Section 5
- Waste Water Engineering - Section 6
- Waste Water Engineering - Section 7


Waste Water Engineering - Engineering
Q1: If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter isA
π
B
![]() C
![]() D
![]() E
![]() ANS:D -
The wetted perimeter of a sewer refers to the length of the portion of the sewer's inner surface that is in contact with the flowing water. For a circular sewer, the wetted perimeter P can be calculated using the formula: P=π×D Where:
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