A turbine works at 20 m head and speed of 500 rpm. Its 1:2 scale model to be tested at same
head should have a rotational speed of

Related MCQs

• A student performs an experiment with a Francis turbine. He accidently set the RPM of Francis turbine to 1400 rpm instead of 700 rpm. He reported the power to be 1 MW. His teacher asks him to perform the same experiment using the correct RPM. The student performs the same experiment again, but this time the erroneously doubled the flow velocity. What does the student report the power to be?
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