If a hydraulic system fails, redundancy preserves which of the following?

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Multiple Choice

If a hydraulic system fails, redundancy preserves which of the following?

Explanation:
Redundancy in a hydraulic system means there are multiple independent paths powering the controls, so losing one path doesn’t leave you without control. The three primary flight controls—the ailerons, elevator, and rudder—are all hydraulically operated, and the system is designed so that if one hydraulic path fails, the remaining paths still drive all three surfaces. That’s why redundancy preserves the top three controls, not just a single surface.

Redundancy in a hydraulic system means there are multiple independent paths powering the controls, so losing one path doesn’t leave you without control. The three primary flight controls—the ailerons, elevator, and rudder—are all hydraulically operated, and the system is designed so that if one hydraulic path fails, the remaining paths still drive all three surfaces. That’s why redundancy preserves the top three controls, not just a single surface.

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