1.

The efficiency of the vane is given by_________$

A. 1-V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>
B. 1-(V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>)
C. V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>
D. 1- V<sub>1</sub><sup>2</sup>
Answer» B. 1-(V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>)


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