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Colomboy87 Colomboy87
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6 years ago
What type of detector should be used if a technician is looking for a refrigerant leak in a closed space?
 
  A) Fluorescent dye leak detector B) Ultrasonic-type leak detector
  C) Electronic sight glass D) Electronic leak detector


[Ques. 2] A common application for centrifugal compressors is:
 
  A) Small appliances. B) Low-temperature, commercial refrigeration.
  C) Commercial water chilling systems. D) Residential split systems.


[Ques. 3] How many microns are there in an inch?
 
  A) 1,000 B) 25,400 C) 2,500 D) 760,000


[Ques. 4] As a mixture travels through an evaporator, the liquid percentage:
 
  A) Increases greatly. B) Increases slightly. C) Decreases. D) Stays the same.


[Ques. 5] The small gaps between the screws on the screw compressor are sealed by:
 
  A) Tip seals. B) The malleable metal the screws are made of.
  C) Oil flooding. D) Rings on the end of the rotors.
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belegalbelegal
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6 years ago
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Colomboy87 Author
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#2
6 years ago
Cheers!!
wrote...
#3
6 years ago
Cheers
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