Maintenance Technician Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

What is the primary purpose of using a feeler gauge?

To measure pressure

To gauge the thickness of materials

The primary purpose of using a feeler gauge is to gauge the thickness of materials, specifically to measure gaps or clearances between two surfaces. It consists of a set of thin, flat metal pieces, each of a specific thickness, which allows for precise measurement of space or gap width. This is particularly important in applications involving machinery, engines, and other mechanical systems where accurate spacing is critical to ensure proper operation and prevent wear, damage, or misalignment.

While the other options pertain to measuring different aspects (pressure, temperature, and electrical resistance), they do not align with the specific function of a feeler gauge, which is strictly for measuring distances. This tool is invaluable in maintenance and engineering tasks, such as setting valve clearances or checking the alignment of components.

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To determine temperature discrepancies

To evaluate electrical resistance

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