In the velocity diagrams for Francis turbine, which of the following v – McqOptions

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1.	In the velocity diagrams for Francis turbine, which of the following velocity directions is along the blade curvature?
A.	V<sub>r1</sub>
B.	V<sub>w1</sub>
C.	V<sub>1</sub>
D.	u<sub>1</sub>
Answer» B. V<sub>w1</sub>

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