A gaseous sensor/responder tube fire sensor is tested by

Question

Question ATPL - Airline Transport Pilot license - Aircraft General Knowledge - Airframe, Systems, Powerplant

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Heating up the sensor with test power connection.

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Checking the sensor with pressurized gas.

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Checking the wiring harness for faults but not the sensor.

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Checking The Continuity Of The System With A Test Switch.

Id 391 - ATPL - A gaseous sensor/responder tube fire sensor is tested by