ATPL: The compression ratio of a piston engine is the ratio of the:
Domanda 472, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license
| Weight Of The Air Induced To Its Weight After Compression. |
| Area of the piston to the cylinder volume. |
| Diameter of the bore to the piston stroke. |
| Volume of the cylinder with the piston at bottom dead centre to that with the piston at top dead Centre. |
