Discussion
The drop point of a grease is the temperature at which it
Answer: C
Correct answer: begins to flow and the first drop falls
The drop point is measured by warming a sample until the thickener structure collapses and the first drop falls from the cup, and it marks the upper temperature at which the grease will hold together. It is not the maximum service temperature, which is set well below it because the grease softens before it drops.
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