7) Water at 15.6 ºC is delivered between a pressurized storage tank and a reservoir through a 900 m long, smooth concrete culvert. The culvert has a width of 0.8 m and height of 0.5 m.Assume entrance and exit losses of KL = 0.5 and 1, respectively. What is the flow rate in m³/s for delta z = 9 m?

Fig: 1