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smcc617 smcc617
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Posts: 594
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6 years ago
GFCI breakers are typically used for what types of circuits?
 
  A) On all residential electrical circuits B) Circuits in dry locations
  C) Circuits in wet locations such as bathrooms D) On all electrical circuits



[Ques. 2] A dirty air filter would likely cause which of the following symptoms?
 
  A) High superheat B) High condenser pressure
  C) Low evaporator pressure D) Low subcooling



[Ques. 3] When a relay coil is disconnected and tested, what is the meter reading of an open coil?
 
  A) 20 Ohms B) 0 Ohms
  C) 120 Ohms D) Infinite ohms or OL on digital meters



[Ques. 4] Why are heated diode leak detectors better than corona discharge leak detectors?
 
  A) Heated diode leak detectors are less expensive to replace.
  B) Heated diode leak detectors use infrared lights in leak detection.
  C) Heated diode leak detectors are not as prone to false alarms.
  D) Heated diode leak detectors can detect greater amounts of coolant.



[Ques. 5] What are the most common loads in HVACR systems?
 
  A) Motors B) Resistance heaters C) Wires D) Lights
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Farloo014Farloo014
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6 years ago
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smcc617 Author
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6 years ago
Great answers
wrote...
6 years ago
Thanks
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