ASE A1 Engine Repair Practice Test
41. Technician A says the valves in many interference engines open further into the combustion chamber that than those of a non-interference engine. Technician B says a broken timing belt in an interference engine can result in damage to the engine's valve train. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
42. The spark plug is removed and shop air is introduced to the #1 cylinder while at TDC. Bubbles are seen in the radiator neck. The MOST likely cause of this condition is:
- A. A bent intake valve.
- B. Worn piston rings.
- C. A burned exhaust valve.
- D. A leaking head gasket.
43. A vehicle is emitting black smoke from its tailpipe, has poor fuel mileage and the torque converter is not engaging. Technician A says the ECT sensor's signal will effect TCC application. Technician B says the ECT sensor will affect the engine's fuel mixture. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
44. Technician A says a flex fan will increase its pitch at higher engine speeds. Technician B says a viscous fan clutch contains a silicon based fluid and should be checked for leaks. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
45. A vehicle has a clogged catalytic converter. The LEAST likely cause of this is:
- A. A rich fuel condition.
- B. A leaking fuel injector.
- C. A cracked intake manifold.
- D. A fouled spark plug.
