Multiple choice

Engine coolant consists of:

  1. water and antifreeze

  2. oil and antifreeze

  3. water and stop leak

  4. water only
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Engine coolant is typically a 50/50 mixture of water and antifreeze (ethylene glycol or propylene glycol). This mixture provides optimal heat transfer while preventing freezing in winter and boiling in summer.

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