The speed ratio in case of Francis turbine varies from

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The speed ratio in case of Francis turbine varies from

Options:

A . 0.15 to 0.3

B . 0.4 to 0.5

C . 0.6 to 0.9

D . 1 to 1.5

Answer: Option C
Answer: (c).0.6 to 0.9

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