Practice Definition Of A Fluid (1.3) - Basics of Fluid Mechanics

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6 sample questions

Question 1.
Define a fluid.
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Think about how liquids behave when forces are applied.
Question 2.
What does viscosity measure?
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Consider how 'thick' or 'thin' a fluid feels.
3Question 3.
What defines a substance as a fluid?
- A substance that can be solidified.
- A substance that deforms continuously under shear stress.
- A substance that cannot flow.
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Consider how liquids like water behave.
4Question 4.
True or False: Viscosity decreases with increased temperature in liquids.
- True
- False
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Think about how hot sauce pours compared to cold.
Question 5.
If a liquid's viscosity increases by 50%, how does it affect fluid flow in a pipe?
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Consider how thicker syrups flow compared to water when poured.
Question 6.
A fluid with a density of 800 kg/m³ and a specific weight of 7.8 kN/m³ is tested. Calculate its specific weight.
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Remember the relationship between density and specific weight with gravity.

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