a 20 mm diameter steel pipe is used to drain and oil tank (SG-0.88) as shown. The total head loss is 2.904m, find the diameter of a new pipe that can replace the existing one such that the discharge is doubled Control Volume and the velocity of flow is maintained

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Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.