Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

Fluid Mechanics: Flow Types and Characteristics

18 Questions

3 Views

Fluid Mechanics: Flow Types and Characteristics

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

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