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Home > Exam Questions > ATPL - Airline Transport Pilot license > Aircraft General Knowledge - Airframe, Systems, Powerplant > Vibration sensors are used in a gas turbine engine to indicate:

390 - ATPL - Vibration sensors are used in a gas turbine engine to indicate:

Question 390 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Imbalance of one or both of the spools.

That there is too much free movement of the engine strut (pylon).

Bearing problems only.

That tip clearance of turbine blades has decreased below a minimum value.

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