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tempuser tempuser
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6 years ago
The indoor coil is the evaporator in
 
  A) The cooling cycle B) The heating cycle
  C) Both the heating and defrost cycles D) Both the cooling and defrost cycles

 Q. 2

Why are the coils in an air source heat pump referred to as the outdoor coil and indoor coil instead of the condenser and evaporator?
 
  A) Because both the coils in a heat pump coils are identical
  B) Their function (evaporator or condenser) reverses when the unit changes from cooling to heating
  C) Refrigerant does not evaporate or condense in a heat pump coil
  D) It can sometimes be difficult to determine the exact location of the coils

 Q. 3

One principle that makes heat pump operation possible is that
 
  A) Air velocity over a coil will create friction, raising the temperature of the coil
  B) the temperature at which a material boils depends on its pressure
  C) Heat will flow uphill when subjected to a strong magnetic field
  D) Moving heat quickly through a cold object will create thermal induction, drawing in heat from the colder surroundings
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amiraamira
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6 years ago
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tempuser Author
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#2
6 years ago
Thank you so much for providing this
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