ASE A9 Domain 5: Air Induction and Exhaust Systems Diagnosis and Repair Welcome to your ASE A9 Domain 5: Air Induction and Exhaust Systems Diagnosis and Repair 1. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair In a diesel engine, what component is responsible for drawing in and filtering the outside air before it enters the engine? A. Fuel pump B. Air filter C. Exhaust manifold D. Turbocharger None 2. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What is the primary purpose of the exhaust gas recirculation (EGR) system in a diesel engine? A. To increase fuel pressure B. To improve fuel efficiency C. To reduce nitrogen oxide (NOx) emissions D. To regulate oil temperature None 3. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What is the purpose of the exhaust manifold in a diesel engine? A. To filter exhaust gases B. To regulate coolant flow C. To direct exhaust gases to the turbocharger D. To control oil pressure None 4. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What component is responsible for compressing and forcing additional air into the engine in a turbocharged diesel engine? A. Exhaust manifold B. Intercooler C. Air filter D. Turbocharger None 5. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair In a diesel engine's exhaust system, what is the function of the diesel particulate filter (DPF)? A. To regulate fuel injection B. To control coolant temperature C. To trap and reduce emissions D. To adjust exhaust gas recirculation None 6. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What is the primary function of the muffler in a diesel engine's exhaust system? A. To filter exhaust gases B. To control oil pressure C. To direct exhaust gases D. To reduce exhaust noise None 7. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair Which component in a diesel engine's air induction system is responsible for pressurizing and increasing the density of the intake air? A. Exhaust manifold B. Turbocharger C. Air filter D. EGR valve None 8. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What is the primary function of the intake manifold in a diesel engine's air induction system? A. To control coolant temperature B. To filter intake air C. To direct air to the turbocharger D. To distribute air to the cylinders None 9. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair In a diesel engine, what does the term "boost pressure" refer to? A. Exhaust gas recirculation rate B. Intake air pressure delivered by the turbocharger C. Coolant temperature D. Oil pressure None 10. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What component in the exhaust system is responsible for reducing harmful nitrogen oxide (NOx) emissions in diesel engines? A. Catalytic converter B. Muffler C. Exhaust manifold D. Intercooler None 11. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair In a diesel engine, what does the term "EGR valve" stand for? A. Exhaust Gas Recirculation valve B. Electronic Gear Regulator valve C. Engine Gas Reduction valve D. Exhaust Gas Recycling valve None 12. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What is the purpose of a diesel engine's wastegate in a turbocharging system? A. To filter intake air B. To direct exhaust gases C. To control boost pressure D. To regulate coolant flow None 13. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What component in a diesel engine's air induction system is responsible for removing moisture and contaminants from the intake air? A. EGR valve B. Exhaust manifold C. Intercooler D. Air dryer None 14. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair In a diesel engine's exhaust system, what is the function of the diesel oxidation catalyst DOC? A. To trap and reduce NOx emissions B. To regulate coolant flow C. To increase fuel efficiency D. To reduce particulate matter None 15. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What component is responsible for controlling the flow of exhaust gases into the diesel particulate filter (DPF)? A. Exhaust manifold B. EGR valve C. Turbocharger D. Muffler None 16. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What is the primary function of the air intake heater in a diesel engine's air induction system? A. To increase fuel pressure B. To reduce exhaust noise C. To warm incoming air for easier starting D. To direct exhaust gases to the turbocharger None 17. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What component in the exhaust system is responsible for reducing harmful nitrogen oxide (NOx) emissions in diesel engines? A. Intercooler B. Catalytic converter C. Exhaust manifold D. Turbocharger None 18. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What is the primary purpose of an intercooler in a diesel engine's air induction system? A. To filter intake air B. To reduce exhaust noise C. To cool and densify the intake air D. To direct exhaust gases None 19. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair What is the primary function of the exhaust back pressure valve (EBPV) in a diesel engine's exhaust system? A. To filter exhaust gases B. To direct exhaust gases C. To control boost pressure D. To reduce exhaust noise None 20. ASE A9: Air Induction and Exhaust Systems Diagnosis and Repair In a diesel engine's air induction system, what does the term "intercooler" stand for? A. Internal Cooling Device B. Intake Enhancement System C. Intermediate Cooling Device D. Internal Combustion Regulator None 1 out of 20 Time is Up! Time's up
