HVAC MIDTERM SUMMER 24
Flashcard
•
Professional Development
•
University
•
Practice Problem
•
Hard
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20 questions
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1.
FLASHCARD QUESTION
Front
Customer states: AC not blowing cold. Gauges read 0 pressure on Both High and Low Side. What should be done next?
Back
Vacuum and Leak Test
2.
FLASHCARD QUESTION
Front
Compressor is cycling on and off. There is pressure in both High and Low side. What should be done next?
Back
Recover Refrigerant then Charge the right amount of Refrigerant
3.
FLASHCARD QUESTION
Front
The correct name of the Valve Core:
Back
Schrader Valve
4.
FLASHCARD QUESTION
Front
Who is correct regarding the sizes of the high side and low side lines and service ports? 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.
Back
Neither A nor B
5.
FLASHCARD QUESTION
Front
The system has lost all Refrigerant, But the leak test passed. What should be done next?
Back
Replace Valves
6.
FLASHCARD QUESTION
Front
A CFC Refrigerant: R134a, R-12, R1234yf, All of the Above
Back
R-12
7.
FLASHCARD QUESTION
Front
R134a Container Color: Light Blue, Dark Blue, Orange, Yellow, Brown
Back
Light Blue
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