Web Results

Octane rating - Wikipedia


Octane rating or octane number is a standard measure of the performance of an engine or aviation fuel. The higher the octane number, the more compression ...

Octane Rating - Understanding Fuel Octane | Exxon and Mobil


Octane rating is a measure of a fuel's ability to resist 'knock'. The octane requirement of an engine varies with compression ratio, geometrical and mechanical ...

octane number
(of gasoline) a designation of antiknock quality, numerically equal to the percentage of isooctane by volume in a mixture of isooctane and normal heptane that matches the given gasoline in antiknock characteristics.
Source: Dictionary.com

What does octane mean? | HowStuffWorks


The octane rating of gasoline tells you how much the fuel can be compressed before it spontaneously ignites. When gas ignites by compression rather than ...

What Does Octane Do In Gasoline? Octane Ratings


Jan 20, 2012 ... If you see a high octane rating for a given gasoline, what does that really tell you? That you'll get better mileage and more power? Or does it tell ...

What is octane? - Fuel Freedom Foundation


Mar 30, 2016 ... Or, in layman's terms, the higher the octane rating, the less likely the fuel is going to pre-ignite (read: explode unexpectedly) at higher pressures ...

Octane Number | Petroleum Equipment Institute


The octane rating is a measure of the resistance of gasoline and other fuels to detonation (engine knocking) in spark-ignition internal combustion engines.

How Is Gasoline Made? What Are Octane Ratings? - Chemistry


The octane number of gasoline is a measure of its resistance to knock. The octane number is determined by comparing the characteristics of a gasoline to ...

determining the composition of gasolines - Purdue University ...


Feb 6, 1996 ... The octane rating is determined by first burning the gasoline in a special .... Gasoline is a complex mixture of over 150 different substances, ...

Popular Q&A
Q: What is octane number and cetane number? - Quora
A: Feb 23, 2014 ... Octane number is the ability of resistance of a fuel to knocking in comparison to Iso-octane, which has octane number 100 and has high ..... Read More »
Source: www.quora.com
Q: Why are octane levels of US gas so much lower than the rest of th...
A: The difference you're seeing is actually due to different measurement methods used between ... US & Canada uses AKI ratings which is roughly 5 points l... Read More »
Source: www.quora.com
Q: What is octane number? - Quora
A: May 9, 2015 ... Its the measure of the knock resistance of a SI engine fuel. The gasoline is ... To find out octane number of a gasoline sample we compare its ... Read More »
Source: www.quora.com
Q: What is the relation between a fuel's octane rating and its e...
A: They're not related at all. This is a common misconception. Octane is what determines how much the fuel can be compressed before it combusts. Read More »
Source: www.quora.com
Q: What happens when you mix gasoline of different octanes? - Quora
A: It will lower the average octane rating of the fuel depending on proportionally how much of the two types are mixed together. This could really only be an issu... Read More »
Source: www.quora.com