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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is shear stress?
💡 Hint: Think about forces acting along surfaces.
Question 2
Easy
What does dynamic viscosity measure?
💡 Hint: It involves fluid friction.
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 defines shear stress in a fluid?
- Force per unit area acting perpendicular
- Force per unit area acting parallel
- Density of the fluid
💡 Hint: Remember how forces act on surfaces.
Question 2
True or False: Reynolds number is a measure of fluid density.
- True
- False
💡 Hint: Think about what Reynolds number compares.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the drag force on a prototype vehicle if the drag coefficient is 0.45, frontal area 2.5 m², and velocity 30 m/s.
💡 Hint: What does each term in the equation represent?
Question 2
Discuss how to optimize a vehicle's shape to reduce drag based on aerodynamic principles derived from viscosity concepts.
💡 Hint: Use concepts of laminar vs. turbulent flow for optimization.
Challenge and get performance evaluation