During an auto-start sequence on the marine gas turbine control console shown in the illustration, what would be the correct order of events required to occur after the start sequence begins? Illustration GT-0016
Official USCG Answer & Rule Citation
Correct Answer: Option B — NGG reaches ignition RPM, gas temperature greater than 400 degrees F, NGG reaches idle RPM
The auto-start sequence follows a logical progression: the gas generator (NGG) must reach ignition speed to ensure sufficient airflow, followed by a confirmed temperature rise (indicating combustion), and finally accelerating to idle RPM. This sequence ensures stable combustion and thermal equilibrium before the engine is placed under load.
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