Match the following statements with the correct terms.Print the appropriate letter in each blank. (A) Dieseling (B) Cetane rating (C) Rich air-fuel mixture (D) Stoichiometric fuel mixture (E) Leaded gasoline (F) Crude oil (G) Octane rating (H) Detonation (I) Gasohol (J) Hydrocarbons (K) Gasoline (L) Lean air-fuel mixture- (M) Preignition (N) Synthetic fuels __ 1. A measurement of the fuel's ability to resist knock or ping. __ 2. Oil taken directly out of the ground. __ 3. A chemically correct air-fuel mixture. __ 4. Used as an alternate fuel in motor vehicles because fuel system and engine modifications are not needed. __ 5. Results when part of the unburned fuel mixture explodes. __ 6. A problem in which the engine keeps running after the key is turned off. __ 7. Chemical mixtures of about 12% flammable gas vapor and 82% carbon. __ 8. Contains a large amount of air. __ 9. Results when an overheated surface in the combustion chamber ignites the air-fuel mixture. __ 10. Fuels made from coal, shale oil, and tar sand. __ 11. An abundant and highly flammable part of crude oil __ 12. Increases fuel consumption and exhaust emissions.