engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Environmental Engineering Design of Sewer
If the depth of partial flow in a sewer of diameter 200 cm is 1/4th of running full then its wetted perimeter is
1
πD
2
\(\frac{2π}{3}\)D
3
\(\frac{3π}{2}\)D
4
\(\frac{π}{3}\)D