FAA AMT Airframe Practice Exam 2025 – All-in-One Study Guide to Master Aviation Maintenance Technician Certification!

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Question: 1 / 1030

What are the cabin pressurization modes of operation?

Automatic, manual, and emergency

Differential, unpressurized, and isobaric

The correct answer is B. The cabin pressurization modes of operation are differential, unpressurized, and isobaric.

In the "differential" mode, the cabin pressure is maintained at a level higher than the pressure outside the aircraft. The "unpressurized" mode means that there is no pressurization system in operation, and the cabin pressure is the same as the outside pressure. The "isobaric" mode maintains a constant pressure differential between the cabin and the ambient pressure regardless of changes in altitude.

The other options are incorrect as they do not accurately describe the modes of cabin pressurization operation.

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High, medium, and low

Standard, increased, and decreased

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FAA AMT Airframe Practice Exam 2025 – All-in-One Study Guide to Master Aviation Maintenance Technician Certification!

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