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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of viscosity?
💡 Hint: Think about what happens when a fluid moves.
Question 2
Easy
List the three primary dimensions used in fluid mechanics.
💡 Hint: Recall the fundamental units of measurement.
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 in a fluid?
- A. Thickness of a fluid
- B. Temperature of a fluid
- C. Density of a fluid
💡 Hint: Think about fluid movement.
Question 2
True or False: Kinematic viscosity is the ratio of dynamic viscosity to density.
- True
- False
💡 Hint: Recall the relationship between these two types of viscosity.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the terminal velocity of a sphere of diameter 1 cm and density 1200 kg/m³ falling through a fluid with dynamic viscosity of 0.5 Pa·s. Use Stokes' law.
💡 Hint: Remember to consider the density of the fluid in your calculations.
Question 2
In a viscosity experiment, determine how power relates to viscosity in a system with two rotating plates. Given force and area, derive the relationship.
💡 Hint: Use the definitions of shear stress and viscosity in your derivation.
Challenge and get performance evaluation