The compression ratio of a piston engine is the ratio of the: - ATPL

Question id 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.