Determine the PDP for a siamesed layout in which t...

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Fire Apparatus Driver/Operator - Pumper End Of Course Exam Test

Question Number 20

Determine the PDP for a siamesed layout in which there is an attack line of a 200-feet with a 1 ¼-inch solid stream nozzle operating at 45 psi. The friction loss from supply hoses is 30 psi. The friction loss from the attack hose is 25 psi. In addition, there is an elevation gain of 40 feet between pump and nozzle. Total flow is 350 GPM.

A. 85 psi

B. 105 psi

C. 130 psi

D. 155 psi

✔ Correct Answer:

C. 130 psi

Fire Apparatus Driver/Operator - Pumper End Of Course Exam Test

Question Number 20

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