Typical volumetric efficiency range for reciprocating air compressors What is the usual range of volumetric efficiency for practical reciprocating air compressors under normal conditions? Choose the correct option.
Mechanical Engineering
Compressors, Gas Dynamics and Gas Turbines
Difficulty: Easy
Choose an option
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A10% to 40%
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B40% to 60%
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C60% to 70%
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D70% to 90%
Answer
Correct Answer: 70% to 90%
Explanation
Concept/ApproachVolumetric efficiency accounts for clearance, valve losses, heating during suction, and leakage. For well-designed reciprocating compressors, typical values lie in the 70–90% band.
Final Answer70% to 90%