Oilers/Plant Tenders (HHC) Civil Service Practice Exam

Which type of lubricator is usually used for a fuel oil pump?

1. Centrifugal lubricator

2. Hydrostatic lubricator

3. Gravity type lubricator

4. Pressure lubricatimator

The correct answer is: Hydrostatic lubricator

The correct choice is the hydrostatic lubricator. This type of lubricator is specifically designed to maintain a constant and adequate supply of oil to various components of machinery, including fuel oil pumps. Hydrostatic lubricators work by utilizing the pressure generated from the system itself to distribute lubricating oil effectively. This is particularly important for fuel oil pumps, where consistent lubrication is crucial for maintaining smooth operation and preventing wear or damage due to friction. The operation of hydrostatic lubricators allows for precise control over the amount of lubrication delivered, ensuring that the pump functions efficiently under varying conditions. This technology is well-suited for applications involving fuel oils, which can have specific viscosity and temperature requirements. In contrast, the other types of lubricators mentioned have different operational principles that make them less suitable for use with fuel oil pumps. For instance, centrifugal lubricators rely on the rotation of components to distribute oil, which may not provide the steady supply needed in this context. Gravity types depend on gravitational force, often leading to inconsistent oil delivery under changing conditions. The term “pressure lubricatimator” seems to be a misnomer and does not refer to a widely recognized lubricator type in the context of fuel oil pumps. Overall, the hydrostatic lubricator is specifically designed