For a turbine engine, the term self-sustaining speed relates to the speed at which the engine:

Question

ATPL - Airline Transport Pilot license - Aircraft General Knowledge - Airframe, Systems, Powerplant - For a turbine engine, the term self-sustaining speed relates to the speed at which the engine:

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Will run without any external assistance.

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Will enable the generators to supply bus-bar voltage.

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Operates most efficiently in the cruise..

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Is Designed To Idle After Starting.

ATPL: For a turbine engine, the term self-sustaining speed relates to the speed at which the engine:

Domanda 625, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license