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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 honey flows compared to water.
Question 2
Easy
What factors affect viscosity?
💡 Hint: Consider what happens to syrup in heat.
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 viscosity measure?
- Resistance to flow
- Density of a fluid
- Temperature
- Pressure
💡 Hint: Think about which term relates to movement.
Question 2
True or False: Newtonian fluids have a constant viscosity regardless of shear rate.
- True
- False
💡 Hint: Remember the definition of Newtonian fluids.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A fluid has a dynamic viscosity of 0.8 Pa.s and flows through a pipe with a velocity gradient of 5 s^-1. Calculate the shear stress.
💡 Hint: Use the relation τ = μ (du/dy).
Question 2
Discuss how varying viscosity with temperature could affect the design of an oil pipeline transporting crude oil.
💡 Hint: Think about how temperature changes could alter pipe dimensions and materials used.
Challenge and get performance evaluation