+1 vote
in Irrigation Engineering by (75.2k points)
If the specific speed in revolution per minute of a turbine is in between 60 to 300, the type of the turbine is ________________

(a) Pelton turbine

(b) Francis turbine

(c) Propeller turbine

(d) Kaplan turbine

This question was addressed to me during an interview.

Question is from Hydro Electric Power in section Hydro Electric Power of Irrigation Engineering

1 Answer

0 votes
by (106k points)
Right answer is (b) Francis turbine

Best explanation: The specific speed of a Pelton turbine ranges from 10 to 30. Francis turbine has a specific speed between 60 to 300 and the specific speed of Kaplan and propeller turbine lies in between 300 to 1000.

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