Which of the following represents an additive characteristic of lubricating oil?

Petroleum Refinery Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Petroleum Refinery Engineeringchemical-engineering › petroleum-refinery-engineering
Published
7 Mar 2019
Last updated
28 May 2026

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Explanation

The °API gravity is an additive property used to characterize lubricating oil. Specific gravity, viscosity, and flashpoint are physical properties but not considered additive characteristics.

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