CWEA Maintenance Technologist 2025 – 400 Free Practice Questions to Pass the Exam

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What is the primary purpose of a lubricant?

To cool machinery

To reduce friction between moving parts

The primary purpose of a lubricant is to reduce friction between moving parts. When mechanical components move against one another, friction is generated, which can lead to increased wear and heat. Lubricants create a film between these surfaces, allowing them to glide over each other more smoothly. This reduction in friction not only prevents damage to the components but also enhances their overall performance and lifespan.

While lubricants can have other beneficial effects, such as helping to cool machinery by dissipating heat and providing some level of protection against corrosion, their main function is to minimize friction. By addressing this fundamental need, lubricants play a crucial role in maintaining the efficiency and reliability of machinery and equipment.

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To clean surfaces

To protect against corrosion

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