What is the primary function of the main fuel control on the GE LM2500 gas turbine engine?
Official USCG Answer & Rule Citation
Correct Answer: Option B — To control stator vane angle and GG speed
The main fuel control is the primary governor for the GE LM2500. It modulates fuel flow to maintain the commanded Gas Generator (GG) speed and simultaneously adjusts the Variable Stator Vane (VSV) angles to optimize compressor efficiency and prevent stalls throughout the engine's entire operating envelope.
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