Glycol added to petrol acts as a/an ________________ agent ?
Correct answer: B. Anti-icing
- A. Anti-knocking
- B. Anti-icing
- C. Anti-gum forming
- D. Dewaxing
Explanation
Glycol lowers the freezing point of water and absorbs or ties up moisture, preventing ice formation in the fuel system or carburettor. Anti-knocking agents instead raise octane quality by reducing detonation.
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