Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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A 24-strand wick can feed what approximate quantity of oil to a large bearing operating at high speed?

20 drops per minute
30 drops per minute
40 drops per minute
50 drops per minute

The correct answer is: 30 drops per minute

The capacity of a 24-strand wick is significant in terms of oil delivery to machinery parts such as large bearings. It is essential for maintaining lubrication, particularly in high-speed operations where friction and heat generation can be substantial. A 24-strand wick typically has the ability to deliver oil at a rate that can effectively accommodate the demands of such applications, ensuring that the bearing operates smoothly without excessive wear. The quantity indicated in the correct option represents a balance that keeps the bearing adequately lubricated without overwhelming it or leading to excessive oil buildup. While other quantities may seem plausible, they either represent rates that are too low for high-speed operations or exceed necessary lubrication needs, which might lead to inefficiencies or mechanical issues. The choice of 30 drops per minute aligns closely with the operational needs for consistent lubrication under high-speed conditions, making it the most appropriate answer among the options provided.