Industrial Maintenance Technician Practice Test 2025 – Your All-in-One Guide to Exam Success!

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What is the function of a gate valve?

To regulate flow

To provide quick on/off control

To isolate fluid flow

The function of a gate valve primarily lies in its ability to isolate fluid flow within a piping system. Gate valves are designed to either be fully open or fully closed, allowing for minimal flow restriction when fully opened, which is advantageous in applications where a straight-line flow and low pressure drop are needed. When closed, they provide a tight seal, preventing any fluid from passing through, which is crucial in systems where the maintenance work is required or when a section of the system needs to be taken offline.

This distinguishing feature makes gate valves suitable for applications where it is necessary to stop the flow entirely, rather than to control or regulate it. While other types of valves, such as globe or ball valves, may be used to regulate flow or provide quick shutoff, the unique design of gate valves is oriented towards complete isolation rather than modulation of flow.

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To prevent pressure drop

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