Which components are actuated by the high-pressure fuel supplied by the FMU?

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Multiple Choice

Which components are actuated by the high-pressure fuel supplied by the FMU?

Explanation:
High-pressure fuel from the FMU is used as hydraulic power to move engine control actuators. The actuated components are the operability valve and the variable geometry parts of the compressor—the inlet guide vanes and the compressor stator vanes. Using fuel as the working fluid lets these components respond quickly to control signals, helping to regulate fuel flow and maintain compressor stability across operating conditions. Other systems listed operate on different hydraulic or electrical sources and are not driven by the FMU’s high-pressure fuel line.

High-pressure fuel from the FMU is used as hydraulic power to move engine control actuators. The actuated components are the operability valve and the variable geometry parts of the compressor—the inlet guide vanes and the compressor stator vanes. Using fuel as the working fluid lets these components respond quickly to control signals, helping to regulate fuel flow and maintain compressor stability across operating conditions. Other systems listed operate on different hydraulic or electrical sources and are not driven by the FMU’s high-pressure fuel line.

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