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Civil Engineering PE

Category - Hydraulics - Closed

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Which of the following causes a pump to cavitate?

Improper lubrication
Packing glands too tight
Elevated thrust bearing temperature
Inadequate or restricted supply

Explanation

Answer: D - Pump cavitation may be caused by an inadequate or restricted supply. Pump cavitation results when a pump is not fully charged with the fluid that is to be pumped. It may also be caused by air or gas that is introduced into or formed within the moving fluid. Pump cavitation, in most cases, negatively impacts pump efficiency and causes premature wear and/or damage to pumping equipment.

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