3 - Units and Dimensions
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Practice Questions
Test your understanding with targeted questions
What is the SI unit of density?
💡 Hint: Think about mass and volume.
How is viscosity generally perceived in fluids?
💡 Hint: Consider a syrup versus water.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the SI unit of pressure?
💡 Hint: Consider what happens when pressure is applied on surfaces.
True or False: Viscosity is the measure of force in a fluid.
💡 Hint: Think of how thick a fluid is.
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Challenge Problems
Push your limits with advanced challenges
A fluid with a density of 800 kg/m³ is in a container. If the mass of the fluid is 320 kg, what is the volume?
💡 Hint: Rearrange the density formula ρ = m/V.
Discuss how the viscosity of a fluid changes with temperature and how this impacts flow rate in engineering applications.
💡 Hint: Think how heating oil makes it flow easier.
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Reference links
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