Practice Basics Of Fluid Mechanics – I (1) - Basics of Fluid Mechanics

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8 questions

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6 sample questions

Question 1.
What are the three basic dimensions in fluid mechanics?
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Think fundamental physics dimensions.
Question 2.
Define velocity.
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Think of its formula.
3Question 3.
What is dynamic viscosity a measure of?
- Resistance to flow
- Mass per volume
- Weight per volume
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Consider how thick versus thin liquids behave.
4Question 4.
True or False: Viscosity increases with temperature in both liquids and gases.
- True
- False
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Think of how syrup behaves when heated.
Question 5.
A fluid has a dynamic viscosity of 0.85 Pa.s and flows through a pipe with a radius of 0.1 m. Calculate the shear stress if the flow velocity is 2 m/s.
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Use the definition linking shear stress to viscosity and flow parameters.
Question 6.
If a liquid's density is 1200 kg/m³ and the acceleration due to gravity is 9.81 m/s², what is its specific weight?
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Recall the formula for specific weight.

4 more questions in this section. Enroll free to practise them all.