Subject area B of 13
Turbine Engines
5-10% of the A&P Powerplant test, about 5 to 10 of the 100 questions. The FAA's test standard lists 11 knowledge elements and 4 risk management elements for this area. Here is every one, plus sample questions to try.
What the FAA tests
From the aviation mechanic test standard, FAA-S-ACS-1.
Knowledge: what you must know
- AM.III.B.K1Turbine engine operating principles/theory of operation.
- AM.III.B.K2Types of turbine engines.
- AM.III.B.K3Turbine engine construction and internal components.
- AM.III.B.K4Turbine engine performance and monitoring.
- AM.III.B.K5Turbine engine troubleshooting, maintenance, and inspection procedures.
- AM.III.B.K6Procedures required after the installation of a turbine engine.
- AM.III.B.K7Causes for turbine engine performance loss.
- AM.III.B.K8Bleed air systems.
- AM.III.B.K9Storage and preservation.
- AM.III.B.K10Auxiliary power unit(s).
- AM.III.B.K11Turbine engine adjustment and testing.
Risk management: hazards you must be able to spot and manage
- AM.III.B.R1Operation of a turbine engine.
- AM.III.B.R2Performing maintenance on a turbine engine.
- AM.III.B.R3Actions in the event of a turbine engine fire.
- AM.III.B.R4Foreign object damage.
Try a sample question
Turbine Engines ยท AM.III.B.K3
A small turboshaft engine uses a centrifugal-flow compressor rather than an axial-flow compressor. Which advantage does the centrifugal design offer?
Practice all of turbine engines
The full course has questions on every element listed here, with an explanation and FAA source for each.