Lubricating greases are a mixture of__________________?
Correct answer: A. Mineral oil, soap and additives
- A. Mineral oil, soap and additives
- B. Mineral oil and metallic soap
- C. Mineral oil and fatty oil
- D. Fatty oil and metallic soap
Explanation
Lubricating grease is commonly made by thickening mineral oil with metallic soap, followed by additives for properties such as oxidation resistance and load carrying. Thus the complete formulation includes mineral oil, soap, and additives.
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