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lacerna92 lacerna92
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6 years ago
The burner assembly and furnace cabinet should be grounded for safety and because
 
  A) Most control boards for direct spark ignition or hot surface igniters will not operate correctly unless the unit is grounded
  B) The transformer will not operate unless the unit is grounded
  C) The indoor blower motor will not operate unless the unit is grounded
  D) The induced draft fan motor will not operate unless the unit is grounded

 Q. 2

A blue-colored bearing can indicate _____ of the bearing.
 
  a. overheating
  b. arcing
  c. brinelling
  d. misalignment

 Q. 3

Hot surface igniters are made of
 
  A) Nickel-chrome wire B) Carbon
  C) Alnico-chromel wire D) Silicon carbide
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jhgfdsajhgfdsa
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#1
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6 years ago
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lacerna92 Author
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#2
6 years ago
Thank you for helping me with this assignment of mine
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