What controls when Schrader valves open and close?
A) They open when hoses with depressors are connected to them.
B) They open and close by a wireless Bluetooth signal.
C) They open every time the unit starts up and close immediately upon shutdown.
D) They open when they are backseat cracked and close when they are backseated.
A
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How can you determine between an inefficient compressor as compared to a hot gas line restriction on a split AC system?
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When reading a meter, it is very important that you ____.
A. hold it at eye level B. make sure it is varying C. make sure it is digital D. be directly in front of it