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: 80 psi static pressure and 40 psi residual pressure
Flow hydrant: using one 2 1/2-inch outlet, with C = 0.9, pitot reading = 38 psi, and actual discharge diameter = 2.50 inches.
What will be an ideal response?
1,287 gpm is available at 20 psi
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Fill in the blank(s) with correct word