FAA Powerplant Written Practice Test

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Prepare for the FAA Powerplant Written Test. Study with flashcards and multiple choice questions, each featuring hints and explanations. Ace your exam with confidence!

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From where is oil supplied to the propeller governor on a typical Pratt and Whitney PT-6 turboprop engine?

From the auxiliary oil tank
From the engine oil supply
From an external pump
From a separate lubrication system

The correct answer is: From the engine oil supply

The oil supplied to the propeller governor on a typical Pratt and Whitney PT-6 turboprop engine comes from the engine oil supply. This is essential for the proper operation of the governor, which controls the pitch of the propeller blades and ensures optimal performance during various engine operating conditions. The oil pressure from the engine lubricating system is directed to the governor, allowing it to function effectively. The integration of the governor's oil supply with the engine's oil system promotes efficient design and maintenance, as it utilizes the existing oil circulation within the engine, reducing complexity and the need for additional components or systems. This ensures reliable operation of both the propeller and the engine, contributing to the overall performance and safety of the turboprop engine system.