What effect does high density altitude, as compared to low density altitude, have on propeller efficiency and why? - FAA PPL(A) USA - ID: 326

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Home > Exam Questions > FAA PPL(A) - Private Pilot Airplane > Preflight Preparation > What effect does high density altitude, as compared to low density altitude, have on propeller efficiency and why?

Question id 326 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

Efficiency is reduced due to the increased force of the propeller in the thinner air

Efficiency is increased due to less friction on the propeller blades

Efficiency is reduced because the propeller exerts less force at high density altitudes than at low density altitudes.

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