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Questions and Answers
Which statement correctly describes a fluid?
Which statement correctly describes a fluid?
- A substance that has the same shear stress at a point regardless of its motion
- A substance that cannot remain at rest under action of any shear force (correct)
- A substance that cannot be subjected to shear forces
- A substance that always expands until it fills any container
At which temperature does water have maximum density?
At which temperature does water have maximum density?
- 20°C
- 4°C (correct)
- 100°C
- 0°C
What is the property of a fluid by which its own molecules are attracted called?
What is the property of a fluid by which its own molecules are attracted called?
- Surface tension
- Viscosity
- Cohesion (correct)
- Adhesion
Which property of a fluid refers to the attraction between molecules of different kinds of fluids?
Which property of a fluid refers to the attraction between molecules of different kinds of fluids?
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What is the property of a fluid by which its own molecules are attracted called?
What is the property of a fluid by which its own molecules are attracted called?
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Which statement correctly describes a fluid?
Which statement correctly describes a fluid?
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At which temperature does water have maximum density?
At which temperature does water have maximum density?
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What is the property of a fluid by which molecules of different kinds of fluids are attracted to each other called?
What is the property of a fluid by which molecules of different kinds of fluids are attracted to each other called?
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What property of a fluid allows it to have the same shear stress at a point regardless of its motion?
What property of a fluid allows it to have the same shear stress at a point regardless of its motion?
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