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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 how thick a material feels when you try to pour it.
Question 2
Easy
Define shear stress.
💡 Hint: Consider forces that cause layers in a fluid to slide over one another.
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 happens to the viscosity of a liquid as temperature increases?
- It increases
- It decreases
- It stays the same
💡 Hint: Think about how hot syrup is easier to pour.
Question 2
True or False: Newtonian fluids have a variable viscosity based on the shear rate.
- True
- False
💡 Hint: Remember fixed behavior in common fluids.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the viscosity of a gas if a = 1.3, b = 0.5, and T = 300K using the Sutherland equation.
💡 Hint: Follow the Sutherland equation closely and perform each step of the calculation.
Question 2
Compare the viscosity changes of water when heated from 20°C to 100°C and discuss potential industrial implications.
💡 Hint: Consider flow rates and pressure when water is less viscous.
Challenge and get performance evaluation