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LesleyCher LesleyCher
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6 years ago
Where does the heat to melt frost come from with a hot-gas defrost system?
 
  a. Latent heat of vaporization
  b. Latent heat of fusion
  c. Latent heat of condensation
  d. Latent heat of discharge

 Q. 2

What is needed for resistive electric defrost heaters to function properly?
 
  a. A solid-state timer
  b. Good thermal contact
  c. An aluminum evaporator
  d. High humidity levels
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kkiahtheresekkiahtherese
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6 years ago
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LesleyCher Author
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#2
6 years ago
Such a godsend, you helped me and my friend big time
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