Today, the crossword question is "Gas grade". First we find similar definitions for Gas grade, Next we will look for a few extra hints for "Gas grade". Finally, using all gathered information, we will solve , slangily crossword definition and get the final answer.
The best crossword puzzle solution and answer for "Gas grade" is:
Gas grade : PREMIUM
The difference between a premium and regular gasoline is its octane rating. The octane rating is measure of the resistance of the gasoline to auto-ignition i.e. it’s resistance to ignition just by virtue of being compressed in the cylinder. This auto-ignition is undesirable as multiple-cylinder engines are designed so that ignition within each cylinder takes place precisely when the plug sparks, and not before. If ignition occurs before the spark is created, the resulting phenomenon is called “knocking”.
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