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Show at least 3 iterations to find the flow rates in all pipes under given the inflows and outflows.All pipes are cast iron with a diameter of 25 cm.Use f=

0.02 for the Darcy-Weisbach equation.Note that initial Q and its direction in each pipe are given in the figure. Check if your AQ and sum of head loss are close to zero. You may directly fill out the following table for easy hand-calculation. If you have used Excel, copy and paste your worksheet to the answer sheet neatly.

Fig: 1

Fig: 2

Fig: 3