Engineering Board Exam Reviewer · Fluid Mechanics · easy

The formation and sudden collapse of vapor bubbles in a liquid where the pressure falls below the vapor pressure is called:

1. Capillarity
2. Water hammer
3. Flow separation
4. Cavitation

Answer

D. Cavitation

Solution

Cavitation causes noise, vibration and pitting damage in pumps and turbines.

More Fluid Mechanics questions

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2. Mercury in a glass capillary tube:
3. The rise or fall of a liquid in a small-diameter tube is called:
4. The SI unit of surface tension is:
5. Surface tension is caused by:
6. The specific gravity of mercury is approximately:
7. Specific gravity of a liquid is the ratio of its density to the density of:
8. As temperature increases, the viscosity of a gas generally:
9. As temperature increases, the viscosity of a liquid generally:
10. One poise is equal to:

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