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219 - ATPL Question Bank in English - In a turbojet engine, what is the primary purpose of the gas-generator turbine?

Question 219 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot Licence

Clear the burnt gases, the expansion of which provide the thrust.
Compress the air in order to provide a better charge of the combustion chamber.
Drive the compressor by using part of the energy from the exhaust gases.
To drive the accessories only, without supplying power to the compressor

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