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BROSE0407 BROSE0407
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6 years ago
Dielectric strength is the ability of an oil to resist breakdown caused by _____.
 
  a. voltage
  b. water
  c. acid
  d. heat


[Ques. 2]



[Ques. 3] Which refrigerant will likely become scarce after the year 2020?
 
  a. HCFC-123
  b. HFC-410A
  c. HFC-134a
  d. Ammonia


[Ques. 4] When using a P-T chart for a single-compound refrigerant, knowing the saturated suction pressure enables
  one to find the _____.
 
  a. liquid pressure
  b. saturation temperature
  c. bubble point
  d. subcooling value


[Ques. 5] What must be done when charging a system that contains a near-azeotropic refrigerant?
 
  a. Charging with refrigerant vapor only.
  b. Charging with liquid refrigerant.
  c. Charging by subcooling.
  d. Charging by weight only.
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EroblesErobles
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Posts: 341
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6 years ago
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BROSE0407 Author
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6 years ago
Brilliant ツ
Zacellison
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Yesterday
Smart ... Thanks!
Chaldoren
wrote...

2 hours ago
this is exactly what I needed
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