Pumps & Pumping Systems B
1. Check valves are used to: *
1 point
2. The water seal pressure in a water-lubricated pump should be at least ______ the pump discharge pressure *
1 point
3. A centrifugal pump vibrates and is noisy. From the choices below, select the most probable cause: *
1 point
4. Closing a valve too quickly may develop a condition known as: *
1 point
5. Wear rings are installed in a pump to: *
1 point
6. A pump is delivering less than its design flow. Which of the following could be the cause? *
1 point
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