HomeEngineeringIf the Francis turbine is run below 50 percent head for a long period, it will not only lose its efficiency but also the cavitation danger will become more serious. 17175. If the Francis turbine is run below 50 percent head for a long period, it will not only lose its efficiency but also the cavitation danger will become more serious.By Admin / September 13, 2025 Agree Disagree ✅ The correct answer is option A.
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