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bekah02 bekah02
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6 years ago
When installing an exposed grid ceiling system, the first component to be installed is the _____.
 
  a. main runners
  b. hanger inserts and wires
  c. cross runners (tees)
  d. wall angle

 Q. 2

When using a recovery device manufactured after November 15, 1993, the recovery level for Type I appliances is:
 
  A) 80 of the system charge if the compressor is non-operational, 90 if the compressor is operational.
  B) 80 of the system charge if the compressor is operational, 90 if the compressor is non-operational.
  C) 0 psig.
  D) 80 of the system charge.
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吳家良吳家良
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6 years ago
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bekah02 Author
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#2
6 years ago
Wow! Thanks you for this correct set of answers, wasn't expecting it...
wrote...
#3
6 years ago
My pleasure!
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