In a fluid flowing through a pipe, which factor does NOT affect the viscosity?
Correct Answer: Fluid density
- Step 1: Understand what viscosity is. Viscosity is a measure of how thick or sticky a fluid is.
- Step 2: Identify the factors that can affect viscosity. These include temperature, pressure, and the composition of the fluid.
- Step 3: Recognize that temperature affects viscosity because heating a fluid usually makes it less viscous (thinner).
- Step 4: Understand that pressure can also affect viscosity, especially in gases, where increasing pressure can increase viscosity.
- Step 5: Know that the composition of the fluid (what it is made of) affects viscosity. Different fluids have different viscosities.
- Step 6: Identify the factor that does NOT affect viscosity. In this case, fluid density does not directly affect viscosity.
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