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El Paso Fire Department (EPFD) Volume 2 Practice Exam

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Which device is included in hose test kits to calibrate discharge readings?
Correct Answer:
Discharge calibration gauge
Explanation:
The main idea is that discharge readings must be verified against a known reference. A discharge calibration gauge provides that fixed standard within hose test kits, letting you compare the measured discharge to a true, known value and adjust your instrument as needed. This ensures the discharge measurements are accurate and consistent across tests. A pressure gauge only shows line pressure, a thermometer measures temperature, and a flow meter can measure flow but isn’t the calibration reference used to ensure discharge readings are correct.

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