Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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AGMA Grade 1 lubricant is most closely equivalent to which SAE number?

The correct answer is: 75

AGMA Grade 1 lubricant is classified in a way that correlates to specific viscosity ranges, particularly when compared to the Society of Automotive Engineers (SAE) standards. In this instance, AGMA Grade 1 lubricant is primarily used for industrial applications, particularly in gear systems, and has a viscosity similar to that of SAE 75. The AGMA (American Gear Manufacturing Association) classifications help guide lubrication requirements for various gear types and operational conditions. AGMA Grade 1 suggests a lighter viscosity, which aligns closely with the characteristics of SAE 75. Understanding the relationship between AGMA grades and SAE numbers is crucial because it allows for the appropriate selection of lubricants tailored to specific machinery and operational needs. Using the correct viscosity helps ensure adequate lubrication, reduces wear and tear on components, and extends the lifespan of the equipment.