All Correct Answers.
Maintenance-free batteries have a built-in hydrometer that indicates the battery's state of
charge. Technician A says to add distilled water to the battery if the charge indicator turns dark
green or black. Technician B says a fully charged battery has a light green charge indicator. Who
is correct?
A. Technician A
B. Technician B
C. Both A and B
D. Neither A or B - Answer B. Technician B
Technician A says to check the circuits fuse if the actuator is not receiving power. Technician B
says if a 15 amp fuse continues to blow to replace it with a 20 amp fuse for added protection.
Who is correct?
A. Technician A
B. Technician B
C. Both A and B
D. Neither A or B - Answer A. Technician A
A front wheel drive vehicle makes a clicking noise that only occurs while cornering. The
technician suspects a faulty front axle. Which of the following is MOST likely causing this noise?
A. The inner CV joint
B. The outer CV joint
C. The vibration damper
D. The half shift is bent - Answer B. The outer CV joint
The tread of a tire is worn in the center and not on its outer shoulders. Technician A says an
improper wheel alignment angle caused this wear. Technician B says this is caused by
overinflating the tire. Who is correct?
A. Technician A
B. Technician B
C. Both A and B
, D. Neither A or B - Answer B. Technician B
A vehicle with power assist brakes has a hard brake pedal with little stopping power. Which of
these is MOST likely causing this condition?
A. The brake booster
B. The master cylinder
C. Air in the system
D. Contaminated brake fluid - Answer A. The brake booster
A technician is performing an A/C inspection. The fan is set on high, but there is little airflow
through the vents. Technician A says this could be caused by a clogged cabin air filter. 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 - Answer A. Technician A
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. Refrigerant flows from the bottom to the top
C. Refrigerant enters the evaporator as a liquid
D. The refrigerant changes from a gas to a liquid as it receives heat from the cabin air. - Answer
D. The refrigerant changes from a gas to a liquid as it receives heat from the cabin air.
Technician A says the stuck open PCV valve will cause 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 - Answer C. Both A and B