Which of the following statement is correct as regard to centrifugal compressors

Question

Which of the following statement is correct as regard to centrifugal compressors?

Options:

A . The flow of air is parallel to the axis of the compressor

B . The static pressure of air in the impeller increases in order to provide centripetal force on the air

C . The impeller rotates at high speeds

D . The maximum efficiency is higher than multistage axial flow compressors

Answer: Option B

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