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What happens to viscosity in the case of incompressible fluids as temperature is increased?
- a)It remains constant
- b)It increases
- c)It decreases
- d)None of the mentioned
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
What happens to viscosity in the case of incompressible fluids as temp...
Explanation: In case of incompressible fluids, cohesive forces govern the viscosity. As temperature increases the cohesive forces between fluid molecules decreases due to increase in molecular agitation. Hence, as a result, viscosity decreases.
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What happens to viscosity in the case of incompressible fluids as temp...
Effect of Temperature on Viscosity of Incompressible Fluids
Incompressible fluids are those fluids whose density is constant and does not change with pressure. Viscosity is the measure of a fluid's resistance to flow. The viscosity of incompressible fluids changes with temperature.
Increase in Temperature
As the temperature of an incompressible fluid is increased, the viscosity of the fluid decreases. This is due to the increased kinetic energy of the molecules of the fluid, which leads to a decrease in the cohesive forces between the molecules.
Effect on Flow
The decrease in viscosity with an increase in temperature has a significant effect on the flow of fluids. With a decrease in viscosity, the fluid flows more easily and smoothly, with less resistance. This is why oil is more viscous in winter than in summer.
Conclusion
In conclusion, the viscosity of incompressible fluids decreases with an increase in temperature due to the increased kinetic energy of the molecules. This decrease in viscosity leads to smoother and easier flow of fluids.
Incompressible fluids are those fluids whose density is constant and does not change with pressure. Viscosity is the measure of a fluid's resistance to flow. The viscosity of incompressible fluids changes with temperature.
Increase in Temperature
As the temperature of an incompressible fluid is increased, the viscosity of the fluid decreases. This is due to the increased kinetic energy of the molecules of the fluid, which leads to a decrease in the cohesive forces between the molecules.
Effect on Flow
The decrease in viscosity with an increase in temperature has a significant effect on the flow of fluids. With a decrease in viscosity, the fluid flows more easily and smoothly, with less resistance. This is why oil is more viscous in winter than in summer.
Conclusion
In conclusion, the viscosity of incompressible fluids decreases with an increase in temperature due to the increased kinetic energy of the molecules. This decrease in viscosity leads to smoother and easier flow of fluids.
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What happens to viscosity in the case of incompressible fluids as temperature is increased?a)It remains constantb)It increasesc)It decreasesd)None of the mentionedCorrect answer is option 'C'. Can you explain this answer?
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