In distribution pipes drain valves are provided at

Review the verified answer and explanation for this PPSC Punjab Public Service Commission past-paper question on CampusFin.

In distribution pipes drain valves are provided at Answer: Lower point

In distribution pipes, drain valves (also called scour valves) are provided at the lowest points of the pipeline and at dead ends to allow for complete drainage, maintenance, and removal of accumulated silt, sand, and stagnant water, leveraging gravity for efficient flushing.