The water in penstock connected to reservoir is less than vapour pressure
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Penstock connects forebay or surge tank to scroll case of turbine. Their main function is to carry water from dam to the turbine. Explanation: Decrease in pressure in any portion of turbine below one third of atmospheric pressure may cause vapour bubbles or cavities to form. This phenomenon is called cavitation.
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Penstock connects forebay or surge tank to scroll case of turbine. Their main function is to carry water from dam to the turbine. Explanation: Decrease in pressure in any portion of turbine below one third of atmospheric pressure may cause vapour bubbles or cavities to form. This phenomenon is called cavitation.
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