Engineering Board Exam Reviewer · Fluid Mechanics · easy

The Mach number is the ratio of:

1. Inertia force to viscous force
2. Flow velocity to the speed of sound
3. Inertia force to gravity force
4. Pressure to density

Answer

B. Flow velocity to the speed of sound

Solution

Ma = V/c; it measures compressibility effects.

More Fluid Mechanics questions

1. The Froude number is the ratio of:
2. The Reynolds number is the ratio of:
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7. The buoyant force on a submerged body acts through the:
8. For a vertical submerged plane surface, the center of pressure is:
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