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Stevend95 Stevend95
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Posts: 499
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6 years ago
When leak testing a low pressure chiller, the pressure should not be allowed to exceed 10 psig
 
  A) to avoid freezing the chiller bundle
  B) to avoid causing high compressor current draw
  C) to avoid opening the high pressure cutout and shutting the system down
  D) to avoid breaking the rupture disk and losing the refrigerant charge

 Q. 2

What is the function of a purge unit?
 
  A) A purge unit will purge the air from the top of the condenser
  B) A purge unit is used to purge the air out of the chilled water loop
  C) A purge unit is used to purge the refrigeration oil out of the refrigerant
  D) A purge unit is used to purge the superheat from the condenser

 Q. 3

Which type of chiller is more likely to freeze the tubes if charged or recovered improperly
 
  A) flooded chillers B) screw chillers
  C) absorption chillers D) direct expansion chillers
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jen2585jen2585
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#1
Posts: 336
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6 years ago
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Stevend95 Author
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#2
6 years ago
Now I'm convinced to ask more questions Slight Smile
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