Technician A says that volumetric efficiency is a comparison of the actual volume of air-fuel mixture drawn into the engine to the theoretical minimum volume that can be drawn into the cylinder. Technician B says that a supercharger consumes some engine power as it forces a greater amount of air into the cylinders for more power. Who is right?

Question

Quizplus · Accepted Answer

Volumetric efficiency is a comparison of the actual volume of air-fuel mixture drawn into the engine to the theoretical maximum volume, not minimum. Technician B is correct that a supercharger uses some engine power to increase air intake.

Technician a Says That Volumetric Efficiency Is a Comparison of the Actual