
Understanding Fluid Behavior and Viscosity
Authored by Gadudasu BabuRao
Instructional Technology
University

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Newton's law of viscosity?
Newton's law of viscosity describes the relationship between shear stress and shear rate in a fluid.
It defines the density of a fluid in relation to its temperature.
It states that all fluids have the same viscosity regardless of temperature.
It explains the gravitational force acting on a fluid in motion.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define viscosity in the context of fluid mechanics.
Viscosity is the measure of a fluid's resistance to flow and deformation.
Viscosity is the temperature at which a fluid boils.
Viscosity is the speed at which a fluid flows under pressure.
Viscosity is the density of a fluid at rest.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the units of viscosity?
Newton-second (N·s)
Joule (J)
Cubic meter per second (m³/s)
Pascal-second (Pa·s) or poise (P) in CGS system.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the difference between Newtonian and non-Newtonian fluids.
Both types of fluids have the same flow behavior but differ in temperature sensitivity.
Newtonian fluids have constant viscosity and linear flow behavior, while non-Newtonian fluids have variable viscosity and non-linear flow behavior.
Non-Newtonian fluids have constant viscosity and linear flow behavior.
Newtonian fluids have variable viscosity and linear flow behavior.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Give an example of a Newtonian fluid.
Olive oil
Honey
Air
Water
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is shear stress in relation to viscosity?
Viscosity is the force per unit area applied to a fluid.
Shear stress is the same as viscosity.
Shear stress is the force per unit area that causes fluid flow, and viscosity measures the fluid's resistance to this shear stress.
Shear stress only occurs in solid materials.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe how temperature affects the viscosity of a fluid.
Temperature has no effect on viscosity.
As temperature decreases, viscosity increases.
Higher temperatures always increase viscosity.
Temperature inversely affects viscosity; as temperature increases, viscosity decreases.
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