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Questions and Answers
Which type of air flow acts like an incompressible fluid?
Which type of air flow acts like an incompressible fluid?
- Neither supersonic nor subsonic flow
- Subsonic flow (correct)
- Both supersonic and subsonic flow
- Supersonic flow
What happens to the velocity and static pressure of subsonic air flowing through a diverging shaped passage?
What happens to the velocity and static pressure of subsonic air flowing through a diverging shaped passage?
- Velocity decreases and static pressure decreases
- Velocity decreases and static pressure rises (correct)
- Velocity increases and static pressure rises
- Velocity increases and static pressure decreases
What happens to the velocity and static pressure of supersonic air flowing through a converging passage?
What happens to the velocity and static pressure of supersonic air flowing through a converging passage?
- Velocity increases and static pressure decreases
- Velocity decreases and static pressure decreases
- Velocity increases and static pressure rises
- Velocity decreases and static pressure rises (correct)
How does the speed of sound in air change with temperature?
How does the speed of sound in air change with temperature?
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Which one of these describes the condition where the airframe is moving below the speed of sound, but the air over the wing is exceeding the speed of sound
Which one of these describes the condition where the airframe is moving below the speed of sound, but the air over the wing is exceeding the speed of sound
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High Speed airfoils are designed in what way?
High Speed airfoils are designed in what way?
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