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Author Question: How does a hot-gas defrost system work? A) Gas flames provide the heat to melt the ice. B) A ... (Read 75 times)

tuffie

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How does a hot-gas defrost system work?
 
  A) Gas flames provide the heat to melt the ice.
  B) A warm glycol solution is sprayed on the coil.
  C) The superheated gas leaving the evaporator is used to melt the ice.
  D) Hot compressor discharge gas is routed to the evaporator.

Question 2

The smallest increments displayed on most digital gauges are:
 
  A) 1 psi. B) 0.1 psi. C) 5 psi. D) 0.5 psi.



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vkodali

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Answer to Question 1

D

Answer to Question 2

B





 

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