# Question: a 6 inch pipe 500 ft long enlarged to a...

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A 6 inch pipe 500 ft long enlarged to a 12 inch pipe which then for 200 more feet. Five cubic feet of water/sec are flowing. If the pressure at the entrance of the 6 inch pipe is 200 psig, what is the pressure at the discharge of the 12 inch pipe considering friction loss? Water temperature is 70 deg F.