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mechanical engineering compressors gas dynamics and gas turbines
1. Which of the following statement is correct as regard to centrifugal compressors?
(A): The flow of air is parallel to the axis of the compressor.
(B): The impeller rotates at high speeds.
(C): The maximum efficiency is higher than multi-stage axial flow compressors.
(D): The static pressure of air in the impeller increases in order to provide centripetal force on the air.
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