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General Aircraft Technical Knowledge Practice Test

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In an automatic variable wastegate system, the pilot sets the required manifold pressure with the ____ and, through the use of an ____ capsule or other sensor, the positioning of the ____ is automatically varied to obtain the required turbocharging.
Correct Answer:
Waste gate
Explanation:
The system works by the pilot setting the desired manifold pressure with the throttle, and then a sensor such as an aneroid capsule provides the real-time pressure signal to the boost-control mechanism. This signal drives the wastegate actuator, which automatically moves the wastegate to regulate exhaust flow and maintain the set manifold pressure. In other words, the waste gate is the component whose position is adjusted to achieve the required turbocharging.

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