Which of the following is a Gas Generator Rotor?

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Multiple Choice

Which of the following is a Gas Generator Rotor?

Explanation:
In a turboshaft engine, the gas generator rotor is the rotating part of the gas generator that drives the compressor stages before combustion. The first stage of that compressor has a rotor known as the Stage 1 GG Rotor, which is the moving element that actually compresses the incoming air in the gas generator section. The turbine case is a stationary housing around the turbine, not a rotor. The P3 air port and the 12 fuel nozzle port are fixed passages or fittings in the engine's air and fuel paths, not rotating components. So the Stage 1 GG Rotor is the correct identification for the gas generator rotor.

In a turboshaft engine, the gas generator rotor is the rotating part of the gas generator that drives the compressor stages before combustion. The first stage of that compressor has a rotor known as the Stage 1 GG Rotor, which is the moving element that actually compresses the incoming air in the gas generator section.

The turbine case is a stationary housing around the turbine, not a rotor. The P3 air port and the 12 fuel nozzle port are fixed passages or fittings in the engine's air and fuel paths, not rotating components. So the Stage 1 GG Rotor is the correct identification for the gas generator rotor.

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