Q. Which of the following statements is correct with reference to an impeller with backward curved vanes?

(A) It has a falling head - discharge characteristic.
(B) It has rising head - discharge characteristic
(C) It is easier to fabricate.
(D) It cannot run at speeds other than the design speed.

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✅ Correct Answer: (A) It has a falling head - discharge characteristic.

Published by Mr. Dubey ⭐ 109.87K Points at 19-Sep-2023 08:21 pm in Fluid Mechanics and Hydraulic Machines

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