Maintenance Technician Practice Test

Which characteristic best describes a specific valve?

1. Two position, four-way, hydraulically actuated

2. Three position, two-way, lever actuated

3. Three position, five-way, lever actuated

4. Four position, three-way, double spring return

The correct answer is: Two position, four-way, hydraulically actuated

The characteristic "Two position, four-way, hydraulically actuated" accurately captures the essential features of a specific type of valve commonly used in hydraulic systems. A two-position valve indicates that it has two distinct states or configurations, allowing for straightforward control over the flow of hydraulic fluid. The four-way designation signifies that the valve can direct the flow of fluid to one of four possible ports, enabling versatile control of multiple actuators or cylinders within a hydraulic circuit. Hydraulic actuation means the valve operation is controlled by pressure applied through hydraulic fluid, which is critical in systems where precise control, force amplification, and reliability are required. This setup is ideal for applications such as controlling actuator movement in industrial machinery, ensuring that fluid is directed efficiently according to system demands. The other options describe different valve characteristics that may not fit as well for a specific application. For instance, configurations that suggest more than four pathways (like five-way) or incorrect actuation types (like lever instead of hydraulic) do not align as closely with the typical definitions of these valves’ functionalities. Thus, option A stands out as the best description for a specific valve used in hydraulic applications.