Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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How is the reservoir of a mechanical forced-feed lubricator usually refilled?

Automatically by machines
Refilled by hand
Using a pump system
Through a gravity feed system

The correct answer is: Refilled by hand

A mechanical forced-feed lubricator is typically designed to control the lubrication of machinery by ensuring a consistent supply of lubricant to various components. The reservoir of such a lubricator is usually refilled by hand. This method allows for precise monitoring of the lubricant level, ensuring that the system operates efficiently while preventing overfilling, which could lead to contamination or spillage. While some lubrication systems may utilize automatic or pump systems for refilling, these methods are less common for traditional mechanical forced-feed lubricators. Gravity feed systems could also be a method for some lubrication setups, but they do not apply to forced-feed systems that require specific pressure and flow rates to function effectively. Hence, hand refilling remains the standard approach for these types of lubricators, emphasizing the importance of manual oversight in maintenance and operation. This manual intervention is crucial, especially in environments requiring careful maintenance of machinery to ensure optimal performance and longevity.