25.4 - Example Problems
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Practice Questions
Test your understanding with targeted questions
What happens to pressure at the exit of a pipe flowing into the atmosphere?
💡 Hint: Think about atmospheric conditions.
Define hydraulic gradient line.
💡 Hint: Reflect on open channel flows.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the hydraulic gradient line represent?
💡 Hint: Consider what is visible in open channels.
True or False: An energy gradient line is always above the hydraulic gradient line.
💡 Hint: Think of what each line represents.
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Challenge Problems
Push your limits with advanced challenges
Given a pipe with a diameter halved at the midpoint, derive the velocity change and calculate the pressure difference based on Bernoulli's equation.
💡 Hint: Consider how area impacts velocity.
A turbine extracts 1000 J of energy from water and operates with 80% efficiency. Calculate the input energy needed.
💡 Hint: Think of the definition of efficiency.
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Reference links
Supplementary resources to enhance your learning experience.