_____________ are present in the centrifugal impeller.
A. Rotating vanes
B. Stationary vanes
C. Both
D. None
Answer:A
_____________ are present in the centrifugal impeller.
A. Rotating vanes B. Stationary vanes C. Both D. None
Explanation: Rotating vanes increases the energy of the working gas. Stationary vanes are used to direct the flow of the steam.