Quiz #07: Coolant System Dynamics Team 23 Nov, 2024 Quiz 1. What is the main purpose of a coolant in a refrigeration system? A) To cool the engine B) To transfer heat away from the system C) To lubricate engine parts D) To fuel the engine 2. Which of the following is a sign of a coolant system blockage? A) Increased fuel efficiency B) Overheating engine C) Reduced engine noise D) Improved engine performance 3. What is the function of a coolant pump in a cooling system? A) To store extra coolant B) To circulate coolant through the system C) To heat the coolant D) To mix the coolant 4. What is the effect of using a coolant with a lower thermal expansion coefficient? A) It reduces engine noise B) It minimizes pressure changes with temperature C) It increases fuel efficiency D) It decreases engine power 5. What is a common cause of coolant system overheating? A) Using the wrong type of coolant B) Blocked radiator or hoses C) Reduced engine noise D) Improved engine performance 6. What is the purpose of a coolant level sensor? A) To measure engine power B) To monitor coolant level C) To increase fuel efficiency D) To reduce engine noise 7. What is a potential consequence of a leaking head gasket in a cooling system? A) Improved engine performance B) Coolant mixing with engine oil C) Increased fuel efficiency D) Reduced engine noise 8. What is the advantage of using a coolant with a higher boiling point in a racing engine? A) It allows the engine to run hotter without overheating B) It increases engine power C) It improves fuel efficiency D) It reduces engine noise 9. What should you do if your vehicle's coolant is low and the engine is overheating? A) Ignore it B) Add more coolant C) Stop the engine and let it cool before adding coolant D) Replace the engine 10. What is the role of a coolant bypass valve in a cooling system? A) To cool the engine B) To regulate coolant flow C) To heat the engine D) To lubricate engine parts Submit
