ATPL: Pre-ignition refers to the condition that may arise when:
Domanda 340, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
| A Rich Mixture Is Ignited By The Sparking Plugs. |
| The mixture is ignited before the piston has reached top dead centre. |
| The sparking plug ignites the mixture too early. |
| The mixture is ignited by abnormal conditions within the cylinder before the spark occurs at the Plug |
