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Questions and Answers
What is the rate of change of velocity with distance called?
What is the rate of change of velocity with distance called?
- Velocity flux
- Velocity gradient (correct)
- Velocity constant
- Velocity coefficient
According to Newton's law of viscosity, viscous force is directly proportional to which two factors?
According to Newton's law of viscosity, viscous force is directly proportional to which two factors?
- Pressure and temperature
- Time and acceleration
- Surface area and velocity gradient (correct)
- Density and volume
What does the coefficient of viscosity represent?
What does the coefficient of viscosity represent?
- The thickness of the liquid layer
- The energy loss due to viscosity
- A constant related to the liquid's viscosity (correct)
- The force applied by viscosity
Stokes' Law is related to which situation?
Stokes' Law is related to which situation?
In the context of momentum transfer, what does 'dv' represent?
In the context of momentum transfer, what does 'dv' represent?
What does 'A' represent in the equation f = η(dv/dx)A?
What does 'A' represent in the equation f = η(dv/dx)A?
What is the relationship between the velocity of an object moving through a viscous fluid and the terminal velocity in that fluid?
What is the relationship between the velocity of an object moving through a viscous fluid and the terminal velocity in that fluid?
Which formula represents the mass flux in fluid dynamics?
Which formula represents the mass flux in fluid dynamics?
What does the equation of continuity describe in fluid dynamics?
What does the equation of continuity describe in fluid dynamics?
What does the symbol $A_v$ represent in the context of volume rate of flow?
What does the symbol $A_v$ represent in the context of volume rate of flow?
In the equation $\rho \frac{dV}{dt} = \frac{dm}{dt}$, what does $\rho$ represent?
In the equation $\rho \frac{dV}{dt} = \frac{dm}{dt}$, what does $\rho$ represent?
What happens to the velocity of a fluid particle as it moves from a wider section to a narrower section?
What happens to the velocity of a fluid particle as it moves from a wider section to a narrower section?
What does the continuity equation state for a steady flow of an incompressible fluid?
What does the continuity equation state for a steady flow of an incompressible fluid?
Why does a particle speed up when entering a narrower section of a fluid flow?
Why does a particle speed up when entering a narrower section of a fluid flow?
In a tube of flow, why is the mass of fluid constant within the region between two sections?
In a tube of flow, why is the mass of fluid constant within the region between two sections?
What is the relationship between the volume rate of flow and the width of a fluid flow?
What is the relationship between the volume rate of flow and the width of a fluid flow?
What determines the volume of fluid entering a tube through a cross-section at a point in time?
What determines the volume of fluid entering a tube through a cross-section at a point in time?
How does an incompressible fluid behave when moving through sections of varying widths?
How does an incompressible fluid behave when moving through sections of varying widths?
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