What is a characteristic feature of a normal shock wave?

Rankine-Hugoniot Curve and Shock Waves

Interactive Video
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Physics, Mathematics, Science
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is parallel to the free stream flow.
It is observed only in subsonic flow applications.
It is perpendicular to the free stream flow.
It is slower than the local speed of sound.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Prandtl relationship indicate about fluid velocity across a normal shock?
It increases from subsonic to supersonic.
It decreases from supersonic to subsonic.
It fluctuates unpredictably.
It remains constant.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the upstream Mach number affect the downstream Mach number in a normal shock?
The downstream Mach number is always greater than the upstream Mach number.
The downstream Mach number decreases sharply with small values of the upstream Mach number.
The downstream Mach number remains constant regardless of the upstream Mach number.
The downstream Mach number increases with the upstream Mach number.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to entropy across a normal shock when the upstream Mach number is greater than 1?
Entropy decreases.
Entropy remains constant.
Entropy increases.
Entropy becomes zero.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to the second law of thermodynamics, what must occur across a normal shock?
The flow must accelerate from subsonic to supersonic.
The flow must decelerate from supersonic to subsonic.
The flow must remain isentropic.
The flow must become turbulent.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a shock wave be visualized in terms of thermodynamics?
As a device that accelerates the gas.
As a device that expands the gas.
As a device that cools the gas.
As a device that compresses the gas.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Rankine-Hugoniot equation used for?
To express the change in internal energy in terms of pressure and specific volume.
To calculate the speed of sound in a gas.
To measure the temperature change across a shock wave.
To determine the Mach number of a flow.
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