Practice question

Why is antifreeze (coolant additive) added to the engine cooling water?

  1. To make the coolant taste sweet
  2. To lower the freezing point and raise the boiling point, and to inhibit corrosion
  3. To increase fuel octane
  4. To lubricate the brakes

Answer: B — To lower the freezing point and raise the boiling point, and to inhibit corrosion

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