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- 1. Multiple Choice
What is a fluid?
A substance in the liquid or gas phase
A substance in the solid or gas phase
A substance in the liquid or solid phase
A substance in the liquid, solid or gas phase
- 2. Multiple Choice
These are the properties of a liquid, except...
a liquid takes the shape of the container it is in
it forms a free surface in a larger container in a gravitational field
groups of molecules can move relative to each other, but the volume remains relatively constant
expands until it encounters the walls of the container and fills the entire available space
- 3. Multiple Choice
Viscosity is defined as
a quantity measure of a fluid’s resistance to flow
external frictional force that develops between different layers of fluids
an external resistance of a fluid to motion
a flow of fluid towards gravity
- 4. Multiple Choice
The flow of high-viscosity fluids such as oils at low velocities is
Laminar flow
Turbulent flow
Transitional flow
Viscous flow
- 5. Multiple Choice
These are types of flow, except:
Steady uniform flow
Steady non-uniform flow
Unsteady uniform flow
Standard uniform flow
- 6. Multiple Choice
The NO-SLIP condition is...
An experimental observation that the velocity of a fluid in contact with a solid surface is equal to the velocity of the surface.
Valid only for liquids.
Useful only for very low density gases.
Indicates that two solids in contact will not slip if the joining force is large
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