
Fluid Dynamics and Steady Flow Concepts

Interactive Video
•
Physics, Science, Mathematics
•
10th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a characteristic of a steady-flow device?
It operates under varying conditions over time.
The mass entering and leaving the system is unequal.
The volume, mass, and total energy content remain constant.
It requires frequent adjustments to maintain flow.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a steady flow system, what must be true about the energy entering and leaving the control volume?
Energy leaving is always greater than energy entering.
Energy entering must equal energy leaving.
Energy entering is always greater than energy leaving.
Energy entering and leaving are unrelated.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a nozzle in fluid dynamics?
To increase fluid velocity by reducing pressure.
To maintain constant fluid velocity and pressure.
To decrease fluid velocity by increasing pressure.
To increase fluid pressure by reducing velocity.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of nozzles and diffusers, which type of energy change is typically negligible?
Kinetic energy change
Potential energy change
Enthalpy change
Mass flow change
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the jet engine example, what is the initial velocity of the air entering the compressor?
100 m/s
200 m/s
350 m/s
500 m/s
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final velocity of the air as it exits the diffuser in the jet engine example?
40.7 m/s
100 m/s
200 m/s
350 m/s
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the nozzle example, what is the initial pressure of the refrigerant 134a?
400 kPa
500 kPa
700 kPa
600 kPa
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