SACAA AME Engines Practice Questions - SACAA Aircraft Maintenance Engineer Piston & Gas Turbine Engines (CAT C D) Theoretical Knowledge Examination Exam

To prevent detonation by reducing peak combustion pressure To utilize the inertia of exiting exhaust gas to scavenge the combustion chamber and draw in fresh intake charge To ensure that both valves remain tightly sealed during the power stroke To advance ignition timing at high engine rotational speeds