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128 - EASA PPL(A) Exam Question Bank - What is the purpose of engine oil in a piston engine?

Question 128 - Aircraft General Knowledge - EASA PPL(A) - Private Pilot License

Cooling, lubrication of the engine and disposal of fine abrasion.
Cooling of the engine and lubrication of propeller shaft.
For nose reduction and bearing of the propeller shaft.
Cooling, lubrication and increasing engine performance.

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