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- 1. Multiple Choice
Customer states: AC not blowing cold. Gauges read 0 pressure on Both High and Low Side. What should be done next?
Check Fuses
Check Power and Ground at Compressor
Vacuum and Leak Test
Replace Valves
Replace Valve Caps
- 2. Multiple Choice
Compressor is cycling on and off. There is pressure in both High and Low side. What should be done next?
Recover Refrigerant then Charge the right amount of Refrigerant
Replace valves
Replace Compressor
Check Fuses
Vacuum
- 3. Multiple Choice
The correct name of the Valve Core:
Poppet Valve
Piston Valve
Zerk Valve
Schrader Valve
Stem Fitting
- 4. Multiple Choice
Tech A says: The high side line is larger in diameter than the Low side line. Tech B says: The low side service port is larger than the High side service port. Who is correct?
Tech A
Tech B
Both Tech A and B
Neither A nor B
- 5. Multiple Choice
The system has lost all Refrigerant, But the leak test passed. What should be done next?
Replace Valves
Check Fuses
Vacuum
Charge
Recover
- 6. Multiple Choice
A CFC Refrigerant:
R134a
R-12
R1234yf
All of the Above
- 7. Multiple Choice
Freon Refers to:
R-12
R134a
R1234yf
R-12 and/or R134a
- 8. Multiple Choice
R134a Container Color:
Light Blue
Dark Blue
Orange
Yellow
Brown
- 9. Multiple Choice
HFC:
Hydrofluorocarbon
Hyperflexcompatible
Hexifluidcarbon
Hyrdofreoncompatible
Hypofluidcombustible
- 10. Multiple Choice
CFC:
Chlorofluidcarbon
Chlorofluorocarbon
CarolinaFriedChicken
Carbonfluorocarbide
- 11. Multiple Choice
Compressor not engaging. Gauges showing pressure at 60 psi on both High and Low side. Fuses check out as good. What should be done next?
Check Power and ground at Compressor
Recover
Charge .5 pound
Charge 1.5 pounds
Vaccum and Leak Test
- 12. Multiple Choice
Compressor came on for a few seconds then shut off when the High Side pressure got Too High. What could be a possible cause?
Clog in the Expansion Valve
Bad Expansion Valve stuck in the Closed position
Bad Receiver/Dryer resulting in desiccant pellets clogging the High side line.
All of the Above
None of the Above
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