ASE T7 Domain 3: Heating and Engine Cooling Systems Diagnosis, Service, and Repair Welcome to your ASE T7 Domain 3: Heating and Engine Cooling Systems Diagnosis, Service, and Repair 1. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What is the primary function of the thermostat in an engine's cooling system? A. To regulate the engine's idle speed B. To control the blower fan speed C. To direct airflow within the cabin D. To control the engine's operating temperature None 2. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What component is responsible for removing excess heat from the engine coolant in an automotive cooling system? A. Heater core B. Radiator C. A/C compressor D. Expansion valve None 3. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What can cause a vehicle's engine to overheat, leading to potential damage? A. A malfunctioning blower motor resistor B. A clogged cabin air filter C. A failed thermostat or water pump D. Low refrigerant charge None 4. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What is the purpose of the engine cooling fan in an automotive cooling system? A. To regulate the engine's idle speed B. To control the blower fan speed C. To assist in cooling the radiator and engine coolant D. To direct airflow within the cabin None 5. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair Which type of coolant is typically recommended for use in modern automotive cooling systems? A. Distilled water B. Mineral oil C. Antifreeze or coolant mixture D. Brake fluid None 6. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What can cause a vehicle's heater to blow cold air even when the engine is warmed up? A. A malfunctioning blower motor resistor B. A clogged cabin air filter C. A stuck open thermostat D. Overcharged refrigerant None 7. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What is the likely cause of an engine coolant leak in an automotive cooling system? A. Faulty blower motor resistor B. Clogged cabin air filter C. A damaged radiator or hose D. Low refrigerant charge None 8. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What component is responsible for circulating engine coolant through the heater core in a vehicle's HVAC system? A. A/C compressor B. Radiator C. Water pump D. Thermostat None 9. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What can be the consequence of running an engine with an insufficient coolant level? A. Improved fuel efficiency B. Increased engine performance C. Engine overheating and potential damage D. Quieter blower fan operation None 10. ASE T7: Heating and Engine Cooling Systems Diagnosis Service and Repair What is the function of the heater control valve in an automotive heating system? A. To regulate the engine's idle speed B. To control the blower fan speed C. To control the flow of hot coolant to the heater core D. To direct airflow within the cabin None 1 out of 10 Time is Up! Time's up
