FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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Question: 1 / 1030

Smoke in the cargo and/or baggage compartment of an aircraft is commonly detected by which instrument?

Photoelectric cell

The other options, B Ionization detector and C: Thermal detector, may also be used to detect smoke in certain situations, but are not commonly used in cargo and/or baggage compartments of aircraft.

Option D: Smoke alarm is incorrect for a few reasons. Smoke alarms are typically found in homes and buildings, not aircraft. They also do not use a specific instrument, but rather an interconnected network of sensors and alarms. Additionally, smoke alarms may not be reliable in flight due to the effects of air pressure and turbulence.

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Ionization detector

Thermal detector

Smoke alarm

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