The ratio of the volume of charge admitted at n. T. P. To the swept volume of the piston is called volumetric efficiency.
<h3>What is volumetric efficiency?</h3>
Volumetric efficiency is the ratio of the volume of gas to that is filled to the displacement of the piston of the cylinder. It tells the efficiency of the compressor of a gas compressor.
The formula of the volumetric efficiency is, "ηV=Actual volumeSwept volume. ηV=VaVS." The meaning of NTP in volumetric efficiency is the ratio of volume.
Thus, the swept volume of the piston is called volumetric efficiency.
To learn more about volumetric efficiency, refer to the below link:
brainly.com/question/14783214
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