ASE G1 Maintenance & Lt. Repair Practice Test
36. A technician is performing an A/C inspection. The fan is on high, but there is little airflow through the vents. Technician A says a clogged cabin air filter could cause this restricted flow. Technician B says there could be an open in the blower motor’s power circuit. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
37. Two technicians are discussing the evaporator's function in an automotive air conditioning system. All of these are true about the evaporator EXCEPT:
- A. It removes humidity from the air.
- B. The refrigerant flows from the bottom to the top.
- C. Refrigerant enters the evaporator as a liquid.
- D. The refrigerant changes from a vapor to a liquid as it receives heat from the cabin air.
38. Technician A says a stuck open PCV valve results in a lean air-fuel ratio. Technician B says the PCV system removes blowby gases from the crankcase. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
39. A technician removes and replaces a worn lower radiator hose on a four-cylinder engine. The engine overheats after replacing the hose and adding coolant. Which of these is the MOST likely cause of this condition?
- A. A faulty ECT sensor.
- B. A stuck open thermostat.
- C. An air pocket in the system.
- D. Electrolysis.
40. The serpentine accessory drive belt of an engine squeaks but appears to be in good condition. Technician A says a faulty idler bearing could cause this. Technician B says to check the belt with a belt gauge. Who is correct?
- A. Technician A
- B. Technician B
- C. Both A and B
- D. Neither A or B
