20 Questions
What is required to produce the acceleration of an incompressible fluid in a pipe of varying cross-sectional area?
A force exerted by the surrounding fluid
According to Bernoulli's equation, what does the pressure difference between two points in a pipe relate to?
Velocity changes and elevation changes
In a steady flow of incompressible fluid through a pipe of varying cross-sectional area, what causes the velocity to change?
Equation of continuity
What did Swiss physicist Daniel Bernoulli develop in 1738 to relate pressure difference between two points in a pipe?
Bernoulli's equation
What does the pressure difference between two points in a pipe depend on, according to Bernoulli's equation?
Velocity changes, elevation changes, and kinetic energy change
According to Bernoulli's equation, what remains constant as we move along a streamline?
All of the above
What is the assumption made when applying the energy conservation principle in fluid flow?
No energy is lost due to internal friction
In Bernoulli's equation, what does the term 'pgh' represent?
Potential energy per unit volume
What happens to the lost kinetic energy of a fluid according to Bernoulli's equation?
It gets converted into heat energy
Why does Bernoulli's equation ideally apply to fluids with zero viscosity?
Because it assumes no internal friction or energy loss
What is the general expression that relates the pressure difference between two points in a pipe to velocity and elevation changes, according to the text?
Bernoulli's equation
What is required to produce the acceleration of an incompressible fluid in a pipe of varying cross-sectional area, as mentioned in the text?
A force from the surrounding fluid is required
What did Swiss physicist Daniel Bernoulli develop in 1738 to relate pressure difference between two points in a pipe?
Bernoulli's equation
In Bernoulli's equation, what does the term 'pgh' represent?
Potential energy per unit volume
According to the text, what happens to the lost kinetic energy of a fluid according to Bernoulli's equation?
It is converted into potential energy
According to Bernoulli's equation, what does the term 'pgh' represent?
Change in gravitational potential energy
What assumption is made when applying the energy conservation principle in fluid flow?
No energy lost due to friction
What does the pressure difference between two points in a pipe depend on, according to Bernoulli's equation?
Flow velocity
What is required to produce the acceleration of an incompressible fluid in a pipe of varying cross-sectional area?
Pressure difference between two points
What happens to the lost kinetic energy of a fluid according to Bernoulli's equation?
Converted into heat energy
Explore the concepts of fluid flow in pipes with varying cross-sectional areas, and the application of conservation of energy in steady or streamline flows. Understand the relationship between velocity change, force, and the equation of continuity for incompressible fluids. Test your knowledge on this complex phenomenon.
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