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Engineering, 27.11.2019 06:31 lydiaa1

Afire protection association code requires a minimum pressure of 53 psi at the outlet end of a 250-ft-long, 4.0 in diameter hose when the flow rate is 500 gal/min.

what is the minimum pressure allowed at the pumper truck that supplies water to the hose? assume a roughness of 3=0.03in.

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