Which of the following are advantages of dual igni- tion in aircraft engines?1.Gives a more complete and quick combustion of the fuel.2.Provides a backup magneto system.3.Increases the output power of the engine.4.Permits the use of lower grade fuels.5.Increases the intensity of the spark at the spark plugs.
发布于 2021-02-16 21:53:29
【单选题】
A 2, 3, 4.
B 2, 3, 5.
C 1,2. 3.
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