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17.2.1. Problem Statement
This section
Practice test
11 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
2 cards from this lesson. Good the night before a test.
Try these first
- 1.
Define incompressible flow and its Mach number condition.
Hint
Think about how Mach number relates to fluid velocity.
- 2.
What is volumetric flux?
Hint
Remember how it connects area and velocity!
- 3.
What Mach number indicates incompressible flow?
- Less than 0.3
- Greater than 0.3
- Equal to 1
Hint
Recall the definition of incompressibility.
- 4.
True or False: In an incompressible flow, density variations are significant.
- True
- False
Hint
Consider what the assumptions allow for.
- 5.
A fluid flows through a pipe of radius R at a constant velocity V. Calculate the volumetric flow rate in terms of R and V.
Hint
Recall the formula for the area of a circle.
- 6.
If the Mach number increases to 0.4 in the same system, how does the analysis change?
Hint
Consider what happens to properties of the fluid at higher speeds.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting