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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a Newtonian fluid?
💡 Hint: Look for examples of fluids in daily life.
Question 2
Easy
Define viscosity.
💡 Hint: Think about how thick or runny a substance is.
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 is viscosity?
- A measure of a fluid's temperature
- A measure of a fluid's resistance to flow
- A measure of a fluid's density
💡 Hint: Consider how liquids like water and syrup behave.
Question 2
True or False: Non-Newtonian fluids exhibit constant viscosity.
- True
- False
💡 Hint: Think about how substances like slime behave under different conditions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A cylindrical container is filled with a Bingham plastic fluid. Calculate the force required to initiate flow if the yield stress is given as 5 Pa and the cross-sectional area of the container is 0.1 m².
💡 Hint: Start by using the yield stress definition.
Question 2
If the viscosity of a liquid decreases by 10% when the temperature is increased from 20°C to 40°C, calculate the new viscosity if the original viscosity was 0.01 Pa.s.
💡 Hint: Calculate 10% of the initial viscosity first.
Challenge and get performance evaluation