Directory
References
Discover
research method
Learn about this topic in these articles:
measurement
- In petroleum refining: Octane rating
Research octane is measured under mild conditions of temperature and engine speed (49 °C [120 °F] and 600 revolutions per minute, or RPM), while motor octane is measured under more severe conditions (149 °C [300 °F] and 900 RPM). For many years the research octane…
Read More