A Gasoline's Octane Rating Is Determined by

question 28

Multiple Choice

A gasoline's octane rating is determined by

• A)comparing its burning properties to those of pure isooctane,which has an octane rating of 100.
• B)comparing its burning properties to those of natural gas,which produces far fewer pollutants than gasoline normally does.
• C)comparing the deposits left on the engine cylinders by burning gasoline to the deposits left by burning diesel fuel.
• D)comparing the acceleration of a vehicle when burning gasoline to its acceleration when burning pure ethanol.

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