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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define shear stress.
💡 Hint: Think about forces acting on surfaces.
Question 2
Easy
What is viscosity?
💡 Hint: Consider how thick or thin a fluid is.
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 is the correct equation for Newton's law of viscosity?
- τ = μ (du/dy)
- τ = μ (dy/du)
- τ = du/dy / μ
💡 Hint: Consider what relation stresses have with velocity in fluids.
Question 2
True or False: Non-Newtonian fluids exhibit constant viscosity.
- True
- False
💡 Hint: Recall the examples of fluids we discussed.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If the dynamic viscosity of a given fluid is 0.015 Pa.s and the velocity gradient is 3 s^-1, what is the shear stress?
💡 Hint: Keep the equation for shear stress in mind.
Question 2
Describe the flow behavior of a non-Newtonian fluid under varying shear rates and provide an example.
💡 Hint: Think about common kitchen items for examples.
Challenge and get performance evaluation