AMP - Aviation Maintenance Technician Powerplant Practice Exam 2026 – The Complete All-in-One Guide to Exam Success!

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If a flanged propeller shaft has dowel pins?

install the propeller so the blades are positioned for hand propping

the propeller can only be installed in a given position

If the flanged propeller shaft has dowel pins, the propeller can only be installed in a given position because the dowel pins act as alignment guides for the propeller blades. Options A, C, and D are incorrect because they do not provide sufficient explanation of why the propeller can only be installed in a specific position. Option A mentions hand propping, which is not relevant to the question. Option C references checking the front cone, but does not explain how this is related to the dowel pins. Option D mentions ensuring the propeller can rotate for feathering, but again, does not explain how this is related to the dowel pins.

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the front cone should be checked for bottoming against the pins

ensure the propeller is free to rotate for feathering