3.2 - Viscosity
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Practice Questions
Test your understanding with targeted questions
What is viscosity?
💡 Hint: Think about how honey flows compared to water.
What factors affect viscosity?
💡 Hint: Consider what happens to syrup in heat.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does viscosity measure?
💡 Hint: Think about which term relates to movement.
True or False: Newtonian fluids have a constant viscosity regardless of shear rate.
💡 Hint: Remember the definition of Newtonian fluids.
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Challenge Problems
Push your limits with advanced challenges
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).
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.
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