[Solved] In the outlet velocity triangle of a Kaplan turbine, β2 = 30o. Vf2 = 5 m/s. What is the relative velocity of the flow at outlet?

Q.	In the outlet velocity triangle of a Kaplan turbine, β2 = 30o. Vf2 = 5 m/s. What is the relative velocity of the flow at outlet?
A.	10 m/s
B.	5.77 m/s
C.	8.66 m/s
D.	2.88 m/s
Answer» A. 10 m/s

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