3 - Hydraulic Head and Efficiencies
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Practice Questions
Test your understanding with targeted questions
Define gross head.
💡 Hint: Think about the total height of water.
What does net head represent?
💡 Hint: Consider what happens after losing height due to friction.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the difference between gross head and net head?
💡 Hint: Think about the impact of losses on energy conversion.
True or False: Hydraulic efficiency is the ratio of mechanical power output to the input water power.
💡 Hint: Recall the definitions of different efficiencies.
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Challenge Problems
Push your limits with advanced challenges
A hydroelectric power station has a gross head of 200m and a net head of 160m. Given a turbine with a hydraulic efficiency of 90% generating 1500 kW of electrical power, calculate the required water power at the inlet.
💡 Hint: Follow the efficiency formula.
Discuss what could be done to increase the hydraulic efficiency of a turbine. Provide at least three methods in your answer.
💡 Hint: Think about turbine design and operational improvements.
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