Oilers/Plant Tenders (HHC) Civil Service Practice Exam

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What percentage of soap is commonly found in lubricating grease?

1/2% to 20%
5% to 15%
10% to 25%
15% to 30%

The correct answer is: 1/2% to 20%

The most commonly found percentage of soap in lubricating grease typically ranges from 1/2% to 20%. This range reflects the variety of greases available for different applications, where the soap acts as a thickener to give the grease its lubricating properties. The amount of soap affects the consistency and performance of the grease, and this range allows for tailoring the grease to specific requirements without making it too viscous or ineffective. This understanding is crucial when selecting the right lubricant for machinery or equipment, as the appropriate soap content can significantly impact performance and reliability.