Podcast
Questions and Answers
What is the characteristic of an ideal fluid?
What is the characteristic of an ideal fluid?
- It has viscosity and no shear stresses occur
- It has viscosity and shear stresses occur
- It has zero viscosity and shear stresses occur
- It has zero viscosity and no shear stresses occur (correct)
What type of flow has a velocity that only depends on one coordinate?
What type of flow has a velocity that only depends on one coordinate?
- Uniform flow
- One-dimensional flow (correct)
- Three-dimensional flow
- Two-dimensional flow
What is non-uniform flow characterized by?
What is non-uniform flow characterized by?
- Velocity that changes at different positions (correct)
- Velocity that is constant at different positions
- Velocity that is constant in a circular pipe
- Velocity that depends on one coordinate
In which type of flow does the velocity vary in three dimensions?
In which type of flow does the velocity vary in three dimensions?
What is the buoyant force on an object equal to, according to Archimedes' Principle?
What is the buoyant force on an object equal to, according to Archimedes' Principle?
What characterizes a flow field?
What characterizes a flow field?
What is the characteristic of liquids in terms of compressibility?
What is the characteristic of liquids in terms of compressibility?
Under what conditions can the flow of a gas be considered incompressible?
Under what conditions can the flow of a gas be considered incompressible?
What is the main difference between compressible and incompressible flow?
What is the main difference between compressible and incompressible flow?
Which of the following is an example of an incompressible fluid?
Which of the following is an example of an incompressible fluid?
What happens to the density of a fluid in an incompressible flow?
What happens to the density of a fluid in an incompressible flow?
What is the characteristic of a gas in terms of compressibility?
What is the characteristic of a gas in terms of compressibility?
What is the unit of mass flow rate?
What is the unit of mass flow rate?
What is the primary factor affecting the formation of vortices behind a moving object?
What is the primary factor affecting the formation of vortices behind a moving object?
What is the dimensionless group that represents the ratio of inertial forces to viscous forces?
What is the dimensionless group that represents the ratio of inertial forces to viscous forces?
What is the relationship between head loss in a pipe and the length of the pipe?
What is the relationship between head loss in a pipe and the length of the pipe?
What is the effect of surface roughness on head loss in a pipe?
What is the effect of surface roughness on head loss in a pipe?
What is the relationship between head loss and velocity in a pipe?
What is the relationship between head loss and velocity in a pipe?