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Juicy93 Juicy93
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6 years ago
With a dual-fuel heat pump, at what outdoor temperature is the heat pump typically locked out and the
  furnace activated to provide heat?
 
  a. Below 25F
  b. Below freezing
  c. Slightly above the structure's balance point
  d. 10F below the balance point


[Ques. 2] In the cooling mode, the reversing valve is typically _____.
 
  a. bypassed
  b. energized
  c. de-energized
  d. reversed


[Ques. 3] In the heating mode, the reversing valve will normally be _____.
 
  a. energized
  b. de-energized
  c. back-seated
  d. front-seated


[Ques. 4] A geothermal heat pump is one in which _____.
 
  a. heat is extracted from lake water
  b. the heat sink is well water
  c. heat is extracted from air
  d. heat is extracted from the earth


[Ques. 5] The range of temperatures within which a zeotropic refrigerant changes state at a given pressure is known as
  its _____.
 
  a. saturation range
  b. latent heat band
  c. fractionation rate
  d. temperature glide
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gilv99gilv99
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Posts: 321
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6 years ago
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Juicy93 Author
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6 years ago
Thank you, thank you, thank you!
Holly72492
wrote...

Yesterday
Smart ... Thanks!
mcraver1
wrote...

2 hours ago
Thanks for your help!!
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