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

M

Mr. Dubey • 52.30K Points
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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.

Correct : Option (A)

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