A grease gun is used to lubricate a bearing by placing the tip of the grease gun onto a ______ fitting

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Prepare for the Industrial Maintenance Test with study guides, flashcards, and multiple-choice questions. Each question includes hints and explanations to help you succeed. Master the concepts and ace your exam!

Multiple Choice

A grease gun is used to lubricate a bearing by placing the tip of the grease gun onto a ______ fitting

Explanation:
The tip of a grease gun is designed to seal onto a grease fitting, commonly called a zerk fitting. This fitting has a small ball check valve that opens under pressure, allowing grease to be injected into the bearing while preventing dirt ingress and backflow when the gun is removed. A nipple is just a simple threaded connector, not specifically the grease-injection point; a plug seals openings, and a valve is an internal component rather than the external interface for lubrication. So the correct term for the fitting you attach the grease gun to is the zerk fitting.

The tip of a grease gun is designed to seal onto a grease fitting, commonly called a zerk fitting. This fitting has a small ball check valve that opens under pressure, allowing grease to be injected into the bearing while preventing dirt ingress and backflow when the gun is removed. A nipple is just a simple threaded connector, not specifically the grease-injection point; a plug seals openings, and a valve is an internal component rather than the external interface for lubrication. So the correct term for the fitting you attach the grease gun to is the zerk fitting.

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