The ratio of pressure forces to inertial forces is called the _______________ number?
Correct answer: B. Euler
- A. Froude
- B. Euler
- C. Reynold
- D. Mach
Explanation
The Euler number compares pressure forces with inertial forces, Eu = ΔP/(ρv²), apart from the convention-dependent factor of two. Reynolds compares inertial with viscous forces, while Froude compares inertial with gravitational forces.
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