Exam Question

### Lubricating Oil Analysis Techniques
Modern lubricating oil analysis is a proactive and predictive maintenance tool used to monitor the condition of both the lubricant and the machinery it protects. By trending key parameters, it is possible to identify potential failures before they become catastrophic, optimize oil change intervals, and enhance overall operational reliability and safety. The following techniques are fundamental to a comprehensive condition monitoring program.
#### (a) Elemental (Spectrometric) Analysis
This technique provides a quantitative assessment of the elemental composition within a used oil sample, measured in parts per million (ppm). Its primary function is to detect microscopic particles indicative of component wear, contamination, and additive depletion.