Question # 83

Give a list of the properties or tests by which a lubricating oil may be specified or a decision made on its fitness for further use.

Give a list of the properties or tests by which a lubricating oil may be specified or a decision made on its fitness for further use.

By: Dimitros
on Oct. 1, 2016, 6:58 a.m.

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Answer(s):

Density
Colour
Viscosity (kinematic)
Viscosity SAE number (SAE: Society of Automotive Engineers USA)
Viscosity index
Cloud point
Pour point
Flash point
Total base number (TBN)
Total add number (TAN)
Ash content
An analysis can also be made of the strong acid content of oil samples removed from the crankcase. Spectrographic analysis can be carried out on samples of crankcase system oils to determine the content of different metals that may be present.
By: Dimitros
on Oct. 1, 2016, 6:58 a.m.

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