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Mechanical Engineering QUESTION #2404
Question 1
The Euler number (pressure coefficient) represents the ratio of:
  • Inertial forces to gravity forces \(= V^2/(gL)\)
  • Pressure forces to inertial forces: \(Eu = p/(\rho V^2)\)✔️
  • Viscous forces to inertial forces
  • Surface tension to inertial forces
Correct Answer Explanation
Euler number: \(Eu=p/(\rho V^2)\), the ratio of pressure forces to inertial forces. Important in cavitation analysis.