Practice question

What is the main function of the coolant (antifreeze) in a vehicle's cooling system?

  1. To lubricate the engine's moving parts
  2. To absorb heat from the engine and release it through the radiator, preventing overheating
  3. To improve the quality of the fuel-air mixture
  4. To clean the windshield while driving

Answer: B — To absorb heat from the engine and release it through the radiator, preventing overheating

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