Topic: Fluid Machinery
In a centrifugal pump casing, the flow of water leaving the impeller is
- A. rectilinear flow
- B. free vortex motion
- C. radial flow
- D. forced vortex
Answer: B. free vortex motion
Explanation: Flow inside the impeller of centrifugal pump is forced vortex motion and the flow of water leaving the impeller is free vortex motion.