Assertion (A): The work required per kg of air flow/ min. for axial flow compressor is lower than that of centrifugal compressor for the same pressure ratio.
Reason (R): The isentropic efficiency of axial flow compressor is much higher than that of a centrifugal compressor.
(A) Both A and R are individually true and R is the correct explanation of A
(B) Both A and R are individually true but R is NOT the correct explanation of A
(C) A is true but R is false
(D) A is false but R is true