Fluid Mechanics: Flow Types and Characteristics

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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?

Uniform flow

One-dimensional flow (correct)

Three-dimensional flow

Two-dimensional flow

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?

Three-dimensional flow Signup and view all the answers

What is the buoyant force on an object equal to, according to Archimedes' Principle?

The weight of the fluid displaced by the object Signup and view all the answers

What characterizes a flow field?

Its velocity distribution Signup and view all the answers

What is the characteristic of liquids in terms of compressibility?

They are nearly incompressible Signup and view all the answers

Under what conditions can the flow of a gas be considered incompressible?

When the density of the gas remains constant Signup and view all the answers

What is the main difference between compressible and incompressible flow?

One has a constant density and the other has a changing density Signup and view all the answers

Which of the following is an example of an incompressible fluid?

Water Signup and view all the answers

What happens to the density of a fluid in an incompressible flow?

It remains almost constant Signup and view all the answers

What is the characteristic of a gas in terms of compressibility?

It is highly compressible Signup and view all the answers

What is the unit of mass flow rate?

kg/s Signup and view all the answers

What is the primary factor affecting the formation of vortices behind a moving object?

Velocity of the object Signup and view all the answers

What is the dimensionless group that represents the ratio of inertial forces to viscous forces?

Reynolds number Signup and view all the answers

Fluid Mechanics: Flow Types and Characteristics

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Questions and Answers

What is the characteristic of an ideal fluid?

What type of flow has a velocity that only depends on one coordinate?

What is non-uniform flow characterized by?

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 characterizes a flow field?

What is the characteristic of liquids in terms of compressibility?

Under what conditions can the flow of a gas be considered incompressible?

What is the main difference between compressible and incompressible flow?

Which of the following is an example of an incompressible fluid?

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 unit of mass flow rate?

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 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 relationship between head loss and velocity in a pipe?

More Quizzes Like This

Conservation of Mass and Steady Flow in Fluid Mechanics

Fluid Mechanics: Flow Rates and Types

Fluid Mechanics: Laminar Flow and Turbulence

Fluid Mechanics: Non-Uniform Flow

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