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lacerna92 lacerna92
wrote...
6 years ago
Seal face distortion, shown as uneven wear, may be caused by _____.
 
  a. uneven torque on the gland bolts
  b. gaskets protruding into the seal cavity
  c. light interference
  d. over-torquing the gland bolts

 Q. 2

How does the induced draft blower improve furnace efficiency of a natural draft furnace?
 
  A) the combustion gasses can be introduced into the duct system, raising the supply air temperature
  B) combustion gasses do not have to be as hot to correctly vent
  C) the induced draft motor uses less current than the natural draft motor
  D) the induced draft blower makes it possible for furnaces to use larger, more open heat exchangers

 Q. 3

Seal face distortion can cause _____.
 
  a. misalignment
  b. excessive leakage
  c. pitting
  d. blistering
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Disney6 AuthorDisney6
wrote...
6 years ago
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6 years ago
Thanks
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Helped a lot
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2 hours ago
You make an excellent tutor!
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