Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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True or False: A gravity type lubricator feeds oil in proportion to the engine's speed.

True
False
N/A
Not applicable

The correct answer is: False

A gravity type lubricator operates based on gravitational forces rather than engine speed. In these systems, oil is fed to the engine purely through gravity, meaning the flow of oil is constant and does not adjust in proportion to how fast the engine is running. As the engine speed increases, it does not increase the flow of oil because the lubricator is not responsive to such changes—it simply allows oil to drip at a predetermined rate. This is in contrast to other lubrication systems, such as pressure-metric or positive displacement systems, which can modulate the flow of oil based on engine speed or demand. The concept behind a gravity type lubricator is to ensure a steady delivery of lubrication without active adjustment mechanisms.