FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

Question: 1 / 1030

Which of the following statements is true regarding aircraft cabin pressurization sources?

Only independent cabin condition air machines can be used

Bleed air from a gas-turbine engine compressor cannot be used

Both bleed air from a gas-turbine engine compressor and independent cabin condition air machines can be used

In aircraft cabin pressurization systems, both bleed air from a gas-turbine engine compressor and independent cabin condition air machines can be used as sources. Bleed air is a common method where high-pressure air from the engine compressor is bled off and directed into the cabin after being conditioned. Independent cabin condition air machines are standalone units responsible for pressurizing and conditioning the air in the cabin. These two sources work together to ensure that the cabin maintains the necessary pressure and temperature for passenger comfort and safety.

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Neither bleed air from a gas-turbine engine compressor nor independent cabin condition air machines can be used

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