determine octane rating

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• octane number —    or octane rating    a measure used to express the ability of gasoline to reduce engine knocking. Gasoline is a complex mixture of hydrocarbons: compounds containing hydrogen and carbon. Beginning chemistry students learn that octane is the… …   Dictionary of units of measurement

• iso-octane — Liquid hydrocarbon used to determine the octane rating of fuels; (see also octane number) …   Dictionary of automotive terms

• Avgas — is a high octane aviation fuel used for aircraft and racing cars. Avgas is a portmanteau for aviation gasoline, as distinguished from mogas (motor gasoline), which is the everyday gasoline used in cars. Avgas is used in aircraft that use piston… …   Wikipedia

• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia

• Methylcyclopentadienyl manganese tricarbonyl — Methylcyclopentadienyl manganese tricarbonyl …   Wikipedia

• Fuel economy-maximizing behaviors — (also known as green driving) describe techniques that drivers can use to optimize their automobile fuel economy. The energy in fuel consumed in driving is lost in many ways, including engine inefficiency, aerodynamic drag, rolling friction, and… …   Wikipedia

• Biofuel — Information on pump regarding ethanol fuel blend up to 10%, California …   Wikipedia

• Chevrolet Volt — Manufacturer Chevrolet division of General Motors Also called Holden Volt Opel Ampera Vauxhall Ampera …   Wikipedia

• C16SE — is an automobile engine developed by Opel in the early 1990 s for its Astra model. General features The motor uses a 4 cylinder inline design with a displacement of 1598 cc, a single overhead camshaft and a multi point fuel injection system. It… …   Wikipedia

• Engine knocking — Pinging redirects here. For other uses, see Ping (disambiguation). Knocking (also called knock, detonation, spark knock, pinging or pinking) in spark ignition internal combustion engines occurs when combustion of the air/fuel mixture in the… …   Wikipedia