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memoloka memoloka
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6 years ago
What is the purpose of the door switch on a walk in freezer?
 
  A) To energize the interior heaters to make the case a more comfortable temperature
  B) To turn on the light in the case when the door is opened
  C) To turn on the system to offset the added heat from opening the door
  D) To prevent warm air from entering the case by shutting off the fans when the door is opened

 Q. 2

What is commonly used to control defrost operations?
 
  A) Electric Heaters B) Thermometer C) Door Switch D) Defrost timer

 Q. 3

The defrost cycle is normally terminated:
 
  A) Based strictly on defrost time to reduce the chance of sensor inaccuracy.
  B) Based on either temperature, pressure, or time.
  C) Based strictly on temperature to insure that all the frost has melted.
  D) Based strictly on pressure to insure safe operation for the compressor.
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mapmap
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6 years ago
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memoloka Author
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#2
6 years ago
Thank you so much for the answer
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