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A fire hose nozzle has a diameter of lf in . According to some fire codes, the nozzle must be capable of delivering at least

A fire hose nozzle has a diameter of lf in

.

According to some fire codes, the nozzle must be capable of delivering at least

250

gal

/

min

.

If the nozzle is attached to a

3 -

. -

diameter hose, what pressure must be maintained just upstream of the nozzle to deliver this flowrate?

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