Which test confirms that pump controls are functioning correctly?

The pressure control test is the correct choice for confirming that pump controls are functioning correctly. This test assesses the pump's ability to maintain the desired output pressure and verifies that the automatic controls respond accurately to changes in pressure. It provides valuable insights into the performance of the pump control system, including whether the control mechanisms correctly activate and regulate flow according to the set standards.

In the context of mobile water supply, ensuring that pump controls are operational is crucial for maintaining efficient water distribution and delivery, especially under varying operational conditions. A successful pressure control test indicates that the system is capable of managing pressures effectively, ensuring both safety and efficiency in water supply operations.

Other tests, while important for different reasons, do not specifically confirm the functionality of pump controls in the same direct manner. For instance, a vacuum test is used mainly to check for leaks in the system, while a pumping test evaluates the overall performance of the pump, including flow rates but not specifically the control systems. A gauge test might check the accuracy of pressure readings rather than the control function itself. Therefore, the pressure control test stands out as the method that directly assesses the operation of the pump's control mechanism.