Questions › Category: Compressors Gas Turbines and Jet Engines › The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as 0 Vote Up Vote Down VideRime Staff asked 7 months ago The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as (A) Compressor efficiency (B) Volumetric efficiency (Ans) (C) Isothermal efficiency (D) Mechanical efficiency Share this Now with Friends:WhatsAppTelegramMore Related