The blades of a centrifugal impeller are said to be curved forward, if the ____________ of the motion of impeller blades?
Correct answer: D. Outlet tip of a blade is towards the direction
- A. Inlet tip of a blade curves in a direction opposite to that
- B. Outlet tip of a blade curves in a direction opposite to that
- C. Inlet tip of a blade is towards the direction
- D. Outlet tip of a blade is towards the direction
Explanation
A forward-curved impeller has its outlet blade tip bent in the same direction as the impeller's rotation. If the outlet tip bends opposite to rotation, the blade is backward-curved.
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