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# Need help from Engineers

I am currently taking an FAE class. It is only three weekends so I don't have much time. I was having problems with the calculations, but I finally think I figured it out. I don't want to keep doing the same problems over and over.
Does anyone know of a website where I can get problems with the correct answers
so I can work the calculations and verify I got the right answer.  I want
to start simple with engine pumping single line.  Then go through an appliance.

An example calculation for single hand line I had was

Engine is pumping 1-2 ½, 200’ long with a 250 GPM

N.P.=                           Elev. P=

FL/100’=                     Appl. P=

FL Total=                     PDP=

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Example wyed hose lines

An engine is pumping a 2½” lines, 300’ long which is wyed into 2- 1½ lines each 150’ long. Each 1½  has a 100 GPM fog nozzle.

N.P.=                           Elev. P=

FL/100’=                     Appl. P=

FL Total=                     PDP=

These are the type of problems I am looking for. Any help is apprecisated

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