The ratio of exit stagnation pressure to inlet stagnation pressure across the rotating impeller of a centrifugal compressor, operating with a closed exit, is
(A) 0
(B) 1
(C) $>1$
(D) 0.5
The ratio of exit stagnation pressure to inlet stagnation pressure across the rotating impeller of a centrifugal compressor, operating with a closed exit, is
(A) 0
(B) 1
(C) $>1$
(D) 0.5