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The acid value of the lubricating oil is must be less than _______

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The acid value of the lubricating oil is must be less than _______

(a) 7

(b) 0.7

(c) 1

(d) 0.1

I had been asked this question in class test.

This question is from Neutralization/Acidic Number topic in chapter Lubricants of Applied Chemistry

1 Answer

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Best answer
Correct option is (d) 0.1

Explanation: The acid value of the lubricating oils must be always less than that of the 0.1. It is because the acid value changes the progress of the oxidation number and hydrolysis rate and moisture content. Based on which we have to replace the lubricating oil.

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