FAA Powerplant Written Practice Test

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Prepare for the FAA Powerplant Written Test. Study with flashcards and multiple choice questions, each featuring hints and explanations. Ace your exam with confidence!

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What is a significant pilot-controlled input in the EFCU for managing fuel metering?

  1. Throttle position

  2. Power lever angle

  3. Fuel pressure

  4. Engine temperature

The correct answer is: Power lever angle

The significant pilot-controlled input in the Engine Fuel Control Unit (EFCU) for managing fuel metering is the power lever angle. The power lever angle is crucial because it directly correlates to the pilot's requested power or thrust output. As the pilot adjusts the power lever, this action prompts the EFCU to modify the fuel flow to the engine, ensuring that the engine operates efficiently and responds correctly to the power demands. The EFCU uses the power lever angle to determine the appropriate fuel flow required to achieve the desired engine performance. Therefore, accurate management of the power lever angle allows for precise control over engine thrust and performance, which is essential for safe and effective flight operations.

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