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In a fluid flowing through a pipe, which factor does NOT affect the viscosity?

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Question: In a fluid flowing through a pipe, which factor does NOT affect the viscosity?

Options:

  1. Temperature
  2. Pressure
  3. Fluid density
  4. Fluid composition

Correct Answer: Fluid density

Solution: 

While temperature, pressure, and fluid composition affect viscosity, fluid density does not directly affect viscosity.

In a fluid flowing through a pipe, which factor does NOT affect the viscosity?

Practice Questions

Q1
In a fluid flowing through a pipe, which factor does NOT affect the viscosity?
  1. Temperature
  2. Pressure
  3. Fluid density
  4. Fluid composition

Questions & Step-by-Step Solutions

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.
  • Viscosity – Viscosity is a measure of a fluid's resistance to flow, influenced by factors such as temperature, pressure, and the composition of the fluid.
  • Fluid Properties – Understanding how different properties of fluids, like density and viscosity, interact and affect fluid behavior in a pipe.
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