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petrajanejob petrajanejob
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6 years ago
Which leak detectors can be used with systems that are only charged with nitrogen?
 
  A) Heated diode electronic detectors B) Corona discharge electronic detectors
  C) Ultrasonic leak detectors D) Infrared detectors

 Q. 2

Fabric duct and fittings are typically attached to each other using _____.
 
  a. tapes that meet UL standards
  b. zippers
  c. snaps
  d. Velcro

 Q. 3

Which of the following is true of the current in a capacitive circuit?
 
  a. It leads the voltage.
  b. It lags the voltage.
  c. It is the same as the voltage.
  d. It counteracts the voltage.
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anu30anu30
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6 years ago
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petrajanejob Author
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#2
6 years ago
Passed my quiz with this!
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#3
6 years ago
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