Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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Which fluid is commonly used to clean filter bags of pressure-type lubricating oil filters?

Water
Kerosene
Mineral oil
Hydraulic fluid

The correct answer is: Kerosene

Kerosene is commonly used to clean filter bags of pressure-type lubricating oil filters due to its effectiveness in dissolving and removing oil and grease buildup. It has good solvency properties, allowing it to penetrate and break down contaminants that accumulate in filter bags during operation. Kerosene is also readily available and cost-effective, making it a practical choice for maintenance tasks in oil filtration systems. While other fluids may be used in specific contexts, kerosene's combination of properties makes it particularly suitable for cleaning oil filters without damaging the filter material itself. Understanding the appropriate cleaning agents for different filtration systems is crucial for effective maintenance and ensuring the longevity of equipment.