Maintenance Technician Practice Test 2025 - Free Maintenance Technician Practice Questions and Prep Guide

Question: 1 / 400

What role does lubrication play in maintenance?

It reduces noise and improves aesthetics

It prevents corrosion and reduces friction

Lubrication plays a critical role in maintenance by preventing corrosion and reducing friction within mechanical systems. When lubrication is applied to moving parts, it forms a protective film that decreases the direct contact between surfaces. This not only minimizes wear and tear on components but also reduces the heat generated by friction. By preventing corrosion, lubrication helps maintain the integrity of materials, which extends the life of machinery and equipment. This function is essential across various industries and applications, as the consistent operation of machines relies heavily on proper lubrication to ensure efficiency and reliability.

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It can only be applied at the manufacturing phase

It is only necessary for electrical systems

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