ASE A8 Domain 3: Fuel, Air Induction and Exhaust Systems Diagnosis and Repair Welcome to your ASE A8 Domain 3: Fuel, Air Induction and Exhaust Systems Diagnosis and Repair 1. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What component in the fuel system is responsible for pressurizing and delivering fuel to the fuel injectors? A. Fuel pressure regulator B. Fuel pump C. Fuel filter D. Fuel tank None 2. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair Which type of fuel injection system uses a constant, steady stream of fuel delivered to the intake manifold? A. Port fuel injection (PFI) B. Sequential fuel injection (SFI) C. Throttle body injection (TBI) D. Direct fuel injection (DFI) None 3. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair In the context of exhaust systems, what is the purpose of an oxygen sensor (O2 sensor)? A. To regulate fuel pressure B. To measure exhaust gas temperature C. To monitor oxygen content in exhaust gases D. To control air intake None 4. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What is the primary function of the exhaust gas recirculation (EGR) system? A. To reduce emissions by cooling exhaust gases B. To increase engine horsepower C. To improve fuel efficiency D. To decrease engine coolant temperature None 5. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What does the term "stoichiometric ratio" refer to in the context of combustion? A. The ideal air-fuel mixture for complete combustion B. The compression ratio of the engine C. The maximum engine RPM D. The exhaust gas temperature None 6. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair In a multiport fuel injection system (MPFI), how are the fuel injectors typically arranged? A. In a single location near the throttle body B. In the intake manifold C. At the exhaust manifold D. In the fuel tank None 7. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What is the primary purpose of the air filter in the air induction system? A. To cool the incoming air B. To reduce engine noise C. To remove contaminants from the incoming air D. To increase exhaust flow None 8. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair Which exhaust system component is responsible for reducing noise and vibrations caused by exhaust gases? A. Exhaust manifold B. Catalytic converter C. Muffler D. Oxygen sensor (O2 sensor) None 9. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What is the primary purpose of a positive crankcase ventilation (PCV) valve in the engine? A. To improve fuel efficiency B. To regulate exhaust gas recirculation C. To reduce engine oil consumption D. To control engine coolant flow None 10. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What device in the exhaust system is responsible for reducing harmful emissions by converting them into less harmful substances? A. EGR valve B. Oxygen sensor (O2 sensor) C. Catalytic converter D. Muffler None 11. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair In a gasoline engine, what is the purpose of the throttle body? A. To regulate the flow of engine coolant B. To control the air intake into the engine C. To increase fuel pressure D. To monitor exhaust gas temperature None 12. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair Which component in the air induction system is responsible for measuring the incoming air mass and density? A. Mass air flow (MAF) sensor B. Oxygen sensor (O2 sensor) C. Throttle position sensor (TPS) D. Camshaft position sensor (CMP) None 13. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What is the primary function of the exhaust manifold in the exhaust system? A. To reduce exhaust gas temperature B. To increase engine horsepower C. To direct exhaust gases from each cylinder to the exhaust pipe D. To reduce engine coolant temperature None 14. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair In a multiport fuel injection system (MPFI), how does the engine control module determine the amount of fuel to inject into each cylinder? A. By using a fixed injection duration for all cylinders B. By varying the air intake temperature C. By monitoring the vehicle's speed D. By considering engine load and sensor inputs None 15. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What type of air induction system uses a rotary vane to measure incoming air volume? A. Mass air flow (MAF) sensor B. Throttle position sensor (TPS) C. Manifold absolute pressure (MAP) sensor D. Oxygen sensor (O2 sensor) None 16. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What component in the exhaust system is responsible for reducing harmful nitrogen oxides (NOx) emissions? A. EGR valve B. Oxygen sensor (O2 sensor) C. Muffler D. Catalytic converter None 17. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What is the primary function of a resonator in the exhaust system? A. To reduce exhaust gas temperature B. To increase engine horsepower C. To eliminate exhaust noise D. To improve fuel efficiency None 18. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What is the purpose of the air-fuel ratio (AFR) sensor in the exhaust system? A. To monitor exhaust gas temperature B. To measure the oxygen content in exhaust gases C. To control engine coolant flow D. To regulate fuel pressure None 19. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What type of fuel injection system uses a high-pressure pump to deliver fuel directly into each cylinder? A. Sequential fuel injection (SFI) B. Port fuel injection (PFI) C. Throttle body injection (TBI) D. Direct fuel injection (DFI) None 20. ASE A8: Fuel Air Induction and Exhaust Systems Diagnosis and Repair What component in the exhaust system is responsible for reducing noise and enhancing exhaust gas flow? A. Oxygen sensor (O2 sensor) B. Muffler C. Catalytic converter D. EGR valve None 1 out of 20 Time is Up! Time's up
