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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is stagnation enthalpy?
💡 Hint: Think about what happens to energy when a fluid stops moving.
Question 2
Easy
Write the equation for stagnation enthalpy.
💡 Hint: What two energies does this equation combine?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What formula represents stagnation enthalpy?
- h₀ = h + V²/2
- h₀ = h - V²/2
- h₀ = V²/2 - h
💡 Hint: Focus on how energy components combine.
Question 2
Does stagnation pressure increase or decrease across a normal shock?
- True
- False
💡 Hint: Think about energy conservation and losses in compressible flow.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A gas flows through a nozzle with a static enthalpy of 300 kJ/kg at a velocity of 20 m/s. Calculate its stagnation enthalpy and explain what this means for the flow.
💡 Hint: Remember, evaluate both static and dynamic components.
Question 2
In a supersonic flow, if stagnation enthalpy increases by 50 kJ/kg after a shock, what can be inferred about the flow behavior and energy loss?
💡 Hint: Consider the relationship between stagnation properties and shock occurrence.
Challenge and get performance evaluation