Question: Which of the following equations is used to calculate dynamic viscosity?
Options:
Bernoulli\'s equation
Navier-Stokes equation
Poiseuille\'s law
Archimedes\' principle
Correct Answer: Poiseuille\'s law
Solution:
Dynamic viscosity can be calculated using Poiseuille\'s law.
Which of the following equations is used to calculate dynamic viscosity?
Practice Questions
Q1
Which of the following equations is used to calculate dynamic viscosity?
Bernoulli's equation
Navier-Stokes equation
Poiseuille's law
Archimedes' principle
Questions & Step-by-Step Solutions
Which of the following equations is used to calculate dynamic viscosity?
Step 1: Understand what dynamic viscosity is. It is a measure of a fluid's resistance to flow.
Step 2: Learn about Poiseuille's law, which describes how fluids flow through a pipe.
Step 3: Identify the formula from Poiseuille's law that relates to dynamic viscosity. The formula is: η = (π * r^4 * ΔP) / (8 * L * Q), where η is dynamic viscosity, r is the radius of the pipe, ΔP is the pressure difference, L is the length of the pipe, and Q is the volumetric flow rate.
Step 4: Use this formula to calculate dynamic viscosity by plugging in the values for radius, pressure difference, length, and flow rate.
No concepts available.
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