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Questions and Answers
What is the definition of rheology?
What is the definition of rheology?
- The study of the flow properties of fluids (liquids and semi-solids) (correct)
- The study of the flow properties of plasma
- The study of the flow properties of gases
- The study of the flow properties of solids
What is deformation?
What is deformation?
- Change in size or dimension of an object or substance under stress (correct)
- Change in chemical composition
- Change in state from solid to liquid
- Change in color
What is the definition of viscosity?
What is the definition of viscosity?
- The ability of a solid to flow under stress
- The speed at which a fluid flows
- The ability of a gas to deform under stress
- The ability of a fluid to resist flowing (correct)
What is the difference between reversible and irreversible deformation?
What is the difference between reversible and irreversible deformation?
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What is the measure of resistance to flow of liquids at a given temperature under active stress?
What is the measure of resistance to flow of liquids at a given temperature under active stress?
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In the centimetre-gram-second (cgs) system, what are the units of kinematic viscosity?
In the centimetre-gram-second (cgs) system, what are the units of kinematic viscosity?
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Which type of flow system is characterized by liquids whose flow characteristics are in consonance with Newton’s law of flow?
Which type of flow system is characterized by liquids whose flow characteristics are in consonance with Newton’s law of flow?
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What is the ratio of the solution viscosity to solvent viscosity known as?
What is the ratio of the solution viscosity to solvent viscosity known as?
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Whose law of flow states that for simple fluids, the rate of flow is directly proportional to the applied stress?
Whose law of flow states that for simple fluids, the rate of flow is directly proportional to the applied stress?
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What is the measure of the ratio between dynamic viscosity and the density of fluid?
What is the measure of the ratio between dynamic viscosity and the density of fluid?
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