Free FAA AMT Powerplant Exam Prep

Four-stroke cycle, valve timing and overlap, compression ratio, detonation and preignition, firing order, cylinders, pistons and rings, crankshafts and bearings, radial master rods, ground operation, maintenance, overhaul, and storage and preservation.

Axial and centrifugal compressors, combustion and turbine sections, compressor stalls, variable stator vanes, spool speeds, FOD, hot and hung starts, and turbine blade creep.

Differential compression tests, 100-hour and annual inspections, borescope use, Airworthiness Directives, life-limited parts, and valve condition assessment.

Manifold pressure, bourdon-tube pressure gauges, cylinder head temperature thermocouples, tachometers, exhaust gas temperature, and turbine power-setting parameters (EPR/N1).

Continuous-loop and thermal-switch fire detection, nacelle fire extinguishing, firewalls, and fire detection system testing.

Alternators, voltage regulators, starter-generators, bonding and grounding, wiring harness inspection, circuit breakers, and ignition harness resistance testing.

Wet- and dry-sump systems, oil functions, pressure relief valves, scavenge pumps, oil temperature troubleshooting, chip detectors, and oil viscosity.

Magneto theory, E-gap, impulse couplings, P-leads, condensers, magneto checks, turbine high-energy igniters, and spark plug fouling and installation.

Engine-driven and boost pumps, strainers and contamination, vapor lock, float carburetors and carburetor icing, accelerating pumps, continuous-flow fuel injection, mixture leaning, idle mixture adjustment, and turbine fuel control units.

Air-cooled cylinder cooling, baffles and seals, cowl flaps, carburetor heat and alternate air, turbochargers, and wastegate boost control.

Turbine cowling airflow and internal cooling, baffles, seals, and insulation blankets, induction and particle separators, compressor bleed air systems, and inlet anti-ice.

Turbine exhaust systems and nozzles, thrust reversers, and reciprocating exhaust inspection for cracks, leaks, and carbon monoxide hazards.

Constant-speed governors, blade angle, feathering, fail-safe pitch behavior, blade tracking, propeller damage limits, turboprop reduction gearing, and dynamic balancing.