WorksheetsServicing A.C. pretest
Total questions: 10
Worksheet time: 5mins
If an odor in the air-conditioning system is in all positions, the problem is likely in the __________.
evaporator
engine system
Which of the following is NOT a method of leak testing?
Pressurizing the A/C system with nitrogen
Fluorescent dye and an ultraviolet lamp
–Electronic leak detectors
oxygenated purge
If the compressor fails internally, it may make what type of noise?
The type of refrigerant must remain the same because cross-contamination will create a(n) __________.
When cleaning a condenser, shop air or a water hose may be used to remove the debris, but be careful to not fold over the __________.
Technician A says the cabin air filter should be inspected during every service and replaced only according to the manufacturer's specified interval. Technician B says the filter should be checked for any cracks, tears, or deformities that would cause it to be ineffective. Who is correct?
Technician A says O-rings in the fittings must be replaced only if they show signs of wear or damage. Technician B says the removal of hoses and lines is done for replacement purposes or to access another component. Who is correct?
Which of the following are rated in the total volume of air that can be removed every minute?
Vacuum gauges
To remove moisture from the air-conditioning system, the pressure in the lines needs to be lowered with a(n) __________.
After adding the correct amount of refrigerant to the system, a good practice is to rotate the __________ by hand to push out any liquid that may have entered during the charging process.
