1. A 150-mm-diameter, square-edged orifice conveys flow from a reservoir with water level at elevation 79.25 m. The center of the orifice is at elevation 66.10 m. Find the discharge for free flow. 2....

1. A 150-mm-diameter, square-edged orifice conveys flow from a reservoir with water level at elevation 79.25 m. The center of the orifice is at elevation 66.10 m. Find the discharge for free flow.

2. In problem 6, if the tailwater is at elevation 71.98 m, what is the discharge?