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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is viscosity?
💡 Hint: Think about thick vs. thin fluids.
Question 2
Easy
What does τ represent in Newton's Law of Viscosity?
💡 Hint: It's related to how fluids slide against each other.
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
Which of the following best defines viscosity?
- A measure of how fast a fluid flows
- A measure of a fluid's resistance to flow
- A measure of the density of a fluid
💡 Hint: Remember how some fluids flow more easily than others.
Question 2
True or False: Higher dynamic viscosity leads to lower shear stress.
- True
- False
💡 Hint: Think about the relationship described in Newton's Law of Viscosity.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A fluid with a dynamic viscosity of 3 Pa·s flows through a pipe with a radius of 0.1 m. What is the shear stress if the velocity gradient is found to be 4 s^-1?
💡 Hint: Use the given values in the formula directly.
Question 2
Discuss how changing the temperature of a fluid might affect its viscosity and provide a real-world example.
💡 Hint: Think about how temperature relates to fluid movement!
Challenge and get performance evaluation