Turbocharge Your Skills with the 2025 GSM Chief Practice Exam – Jet-Set Your Career!

Question: 1 / 600

What is the ignition speed for a GTM?

800 rpm

1,000 rpm

1,200 rpm

The ignition speed for a gas turbine engine (GTM) is typically around 1,200 rpm. This speed is crucial because it represents the point at which the gas turbine has reached a sufficient rotation to create the necessary airflow through the engine and allow for proper fuel injection and ignition. At this speed, the centrifugal forces and combustion performance begin to stabilize, ensuring reliable ignition of the fuel-air mixture in the combustion chamber.

While other speeds may be associated with different operational aspects of gas turbines, 1,200 rpm is the recognized value that indicates that the engine has reached an appropriate threshold for ignition. Knowing this speed is essential for technicians during startup procedures, as it ensures that the turbine operates safely and efficiently from the onset of the ignition process.

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1,500 rpm

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