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Which one of the dimensionless numbers identifies the compressibility effect of a fluid
  • a)
    Euler number
  • b)
    Fraud number
  • c)
    Mach number
  • d)
    Weber number
Correct answer is option 'C'. Can you explain this answer?
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Which one of the dimensionless numbers identifies the compressibility ...
At higher Mach number the compressibility effect is predominant.
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Which one of the dimensionless numbers identifies the compressibility ...

Explanation:

Mach number:
- The Mach number is a dimensionless number that identifies the compressibility effect of a fluid.
- It is defined as the ratio of the speed of an object to the speed of sound in the medium it is traveling through.
- The Mach number is important in aerodynamics and fluid dynamics as it helps determine the flow conditions around an object.

Euler number, Fraud number, and Weber number:
- The Euler number is a dimensionless number that relates the pressure forces to the inertial forces in a fluid flow.
- The Fraud number is a dimensionless number that characterizes the behavior of particles suspended in a fluid flow.
- The Weber number is a dimensionless number that describes the impact of surface tension on fluid flow.

Conclusion:
- In this case, the correct dimensionless number that identifies the compressibility effect of a fluid is the Mach number. It is crucial in understanding the behavior of fluids at high speeds and in aerodynamic applications.
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