Firefighter Math · Question
Scenario 60: Pump discharge pressure (PDP) = Nozzle Pressure + Friction Loss + Elevation. NP=100 psi, FL=30 psi, Elevation gain 20 ft (0.5 psi/ft):
Elevation = 20 × 0.5 = 10 psi. PDP = 100 + 30 + 10 = 140 psi. The correct answer is "140 psi". This capacity-fill scenario 60 reinforces the same competency for
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Question: Scenario 60: Pump discharge pressure (PDP) = Nozzle Pressure + Friction Loss + Elevation. NP=100 psi, FL=30 psi, Elevation gain 20 ft (0.5 psi/ft):
Answer options:
- 110 psi
- 130 psi ✅ 140 psi
- 150 psi
Correct answer: 140 psi
Explanation: Elevation = 20 × 0.5 = 10 psi. PDP = 100 + 30 + 10 = 140 psi. The correct answer is "140 psi". This capacity-fill scenario 60 reinforces the same competency for the firefighter-math bank and follows the certified explanation standard.
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