Which component meters the fuel flow in a FADEC system?

Enhance your skills for the Engine Fuel and Fuel Metering Systems Test with our detailed questions and expert explanations. Prepare effectively for your exam with confidence!

Multiple Choice

Which component meters the fuel flow in a FADEC system?

Explanation:
In FADEC systems, fuel flow is controlled by the electronic engine control, which acts as the system’s brains. It constantly processes sensor data (airflow, throttle position, speeds, temperatures, pressures, etc.) and computes the exact amount of fuel required. It then commands the fuel metering unit to adjust the fuel flow accordingly. The fuel pump simply supplies fuel, and the throttle position sensor or intake air metering system provide input data, but they do not directly meter the fuel.

In FADEC systems, fuel flow is controlled by the electronic engine control, which acts as the system’s brains. It constantly processes sensor data (airflow, throttle position, speeds, temperatures, pressures, etc.) and computes the exact amount of fuel required. It then commands the fuel metering unit to adjust the fuel flow accordingly. The fuel pump simply supplies fuel, and the throttle position sensor or intake air metering system provide input data, but they do not directly meter the fuel.

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