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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define wall stress and its relevance in fluid mechanics.
💡 Hint: Think about how fluids interact with surfaces.
Question 2
Easy
What is the significance of shear stress in fluid flow?
💡 Hint: Consider the forces acting parallel to a surface.
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 does wall stress refer to in fluid mechanics?
- Stress on the liquid surface
- Stress exerted by fluid on boundaries
- Internal stress in fluids
💡 Hint: Consider the interaction between fluid and wall.
Question 2
Is vorticity present in irrotational flow?
- True
- False
💡 Hint: Understand the characteristics of irrotational flow.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A fluid flows between two parallel plates with a velocity gradient of 5 m/s per meter. Calculate the shear stress if the dynamic viscosity of the fluid is 0.8 Pa.s.
💡 Hint: Identify the parameters needed for shear stress calculation.
Question 2
A pipe has an acute angle bend, and water flows through it at varying velocities. Explain how average velocity through a cross-section at the bend can be computed.
💡 Hint: Think of how you might find the average height of a group of students.
Challenge and get performance evaluation