SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Environmental Engineering Sewage Sewage Treatment
As per Central Public Health and Environmental Engineering Organization (CPHEEO), the minimum velocity at ultimate peak flow and maximum velocity of flow to be adopted in the design of gravity sewers shall be respectively :
1
0.4 m/s and 2.0 m/s
2
0.6 m/s and 3.5 m/s
3
0.8 m/s and 3 m/s
4
0.45 m/s and 1.5 m/s