NCCER Millwright Practice Exam 2025 - Free Millwright Practice Questions and Study Guide

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Question: 1 / 400

The speed at which an actuator moves depends on the ________

Diameter of the actuator

Flow rate

The speed at which an actuator moves is primarily influenced by the flow rate of the fluid being used. In hydraulic systems, for example, the flow rate directly affects how much hydraulic fluid is delivered to the actuator, which in turn determines how quickly it can move. Higher flow rates result in faster movement, while lower flow rates mean slower movement.

Other factors, such as the diameter of the actuator, type of fluid, and size of the motor, can affect performance characteristics but do not directly control the speed of movement as the flow rate does. The diameter of the actuator can influence the force produced, the type of fluid can impact efficiency and power, and the size of the motor can determine the overall capability of the system; however, it is ultimately the flow rate that dictates how quickly the actuator will respond and perform its work.

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Type of fluid

Size of the motor

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