Using either the graphical or mathematical methods of calculation, determine the available volume of water at 20 psi residual pressure given the following test results:

Test hydrant: 90 psi static pressure and 65 psi residual pressure
Flow hydrant: using two 2 1/2-inch outlets, with C = 0.7, pitot reading = 55 psi, and actual discharge diameter = 2.625 inches.

What will be an ideal response?


3,721 gpm is available at 20 psi

Health Professions

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