ASE T7 Domain 1: HVAC Systems Diagnosis, Service, and Repair Welcome to your ASE T7 Domain 1: HVAC Systems Diagnosis, Service, and Repair 1. ASE T7: HVAC Systems Diagnosis Service and Repair What component is responsible for regulating the flow of refrigerant in an automotive air conditioning system? A. Condenser B. Evaporator C. Expansion valve D. Compressor None 2. ASE T7: HVAC Systems Diagnosis Service and Repair In an automotive HVAC system, what does the evaporator coil primarily do? A. It cools the cabin air B. It heats the cabin air C. It pressurizes the refrigerant D. It circulates engine coolant None 3. ASE T7: HVAC Systems Diagnosis Service and Repair What is the purpose of the receiver-drier or accumulator in an automotive air conditioning system? A. To control the blower fan speed B. To remove moisture and debris from the refrigerant C. To regulate the engine's idle speed D. To compress the refrigerant None 4. ASE T7: HVAC Systems Diagnosis Service and Repair Which of the following refrigerants is known for its environmental impact and is being phased out in many automotive HVAC systems? A. R-12 (Freon) B. R-22 C. R-134a D. R-410A None 5. ASE T7: HVAC Systems Diagnosis Service and Repair What is the function of the HVAC blend door in a vehicle's climate control system? A. To control the blower fan speed B. To regulate the engine's idle speed C. To direct airflow between the heater core and the evaporator D. To circulate engine coolant None 6. ASE T7: HVAC Systems Diagnosis Service and Repair What is the purpose of the HVAC blower motor resistor? A. To regulate the engine's idle speed B. To control the temperature of the refrigerant C. To control the blower fan speed D. To circulate engine coolant None 7. ASE T7: HVAC Systems Diagnosis Service and Repair What is the primary function of the HVAC system's compressor clutch? A. To control the temperature of the refrigerant B. To compress the refrigerant C. To regulate the engine's idle speed D. To remove moisture from the cabin air None 8. ASE T7: HVAC Systems Diagnosis Service and Repair In an automotive HVAC system, which component is responsible for heating the cabin air during cold weather? A. Evaporator B. Compressor C. Heater core D. Condenser None 9. ASE T7: HVAC Systems Diagnosis Service and Repair What is the purpose of the HVAC system's blower fan? A. To control the blower fan speed B. To regulate the engine's idle speed C. To remove moisture from the cabin air D. To circulate conditioned air throughout the cabin None 10. ASE T7: HVAC Systems Diagnosis Service and Repair What can be the consequence of overcharging the refrigerant in an automotive air conditioning system? A. Reduced cooling capacity B. Improved fuel efficiency C. Faster blower fan speed D. Enhanced cabin air filtration None 1 out of 10 Time is Up! Time's up
