Compressor performance terminology: delivered air volume The term used for the volume of air delivered by a compressor (referred to standard free-air conditions) is: Choose the correct option.
Mechanical Engineering
Compressors, Gas Dynamics and Gas Turbines
Difficulty: Easy
Choose an option
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AFree air delivery
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BCompressor capacity
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CSwept volume
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DNone of these
Answer
Correct Answer: Free air delivery
Explanation
Concept/ApproachFree Air Delivery (FAD) denotes the delivered air volume referred back to standard free-air conditions. “Compressor capacity” is a general term and may be quoted as FAD, but the precise technical term for the delivered volume is FAD. “Swept volume” is the geometric displacement, not the delivered volume.
Final AnswerFree air delivery