The combustible portion of the fuel, which is not completely oxidized.
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ANTISTATIC ADDITIVE
An additive that increases the conductivity of a hydrocarbon fuel to hasten the dissipation of electrostatic charges during high-speed dispensing, thereby reducing the fire/ explosion hazard.
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CLOUD POINT
The temperature at which waxy crystals in an oil or fuel form a cloudy appearance.
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CAPACITY PLAN
A plan outlining the spaces available for fuel, cargo, ballast, fresh water, etc, with guides on weight and volume for spaces at various drafts and displacements
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FIRE POINT
The temperature to which a combustible liquid must be heated so that the released vapor will burn continuously when ignited under specified conditions (Clevelend Open Cup).
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GASOHOL
A blend of 10% anhydrous ethanol (ethyl alcohol) and 90% gasoline, by volume. Used as a motor fuel.
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BLOW-BY
Passage of unburned fuel and combustion gases past the piston rings of internal combustion engines, resulting in fuel dilution and contamination of the crankcase oil.
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CATALYTIC CONVERTER
An integral part of vehicle emission control systems since 1975. Oxidizing converters remove hydrocarbons and carbon monoxide (CO) from exhaust gases, while reducing converters control nitrogen oxide (NOx) emissions. Both use noble metal (platinum, palladium or rhodium) catalysts that can be 'poisoned' by lead compounds in the fuel or lubricant.
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AIR-FUEL RATIO
The ratio weight, or volume, of air to fuel.
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POUR POINT
Lowest temperature at which an oil or distillate fuel is observed to flow, when cooled under conditions prescribed by test method ASTM D 97. The pour point is 3°C (5°F) above the temperature at which the oil in a test vessel shows no movement when the container is held horizontally for five seconds.
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COMBUSTIBLE
The heat-producing constituents of a fuel.
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