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Pandabearsrlyfe Pandabearsrlyfe
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6 years ago
How can water-tubing fouling be prevented in tube-and-shell water-cooled condenser systems?
 
  A) Through annual draining and replacement of the water in the condenser and annual chemical treatment of the water
  B) Through a monthly external scrubbing with bleach
  C) Through annual chemical treatment of the water
  D) Through annual draining of the water, removing access plates, and running brushes through the water tubes

 Q. 2

The major types of compressors listed by mechanical design are:
 
  A) Hermetic, semi-hermetic, and open.
  B) Air cooled, water cooled, and refrigerant cooled.
  C) Reciprocating, rotary, scroll, screw, and centrifugal.
  D) Forward curved, backward curved, radial, in-line.

 Q. 3

What type of compressors contain the compressor and motor together inside a welded steel housing?
 
  A) Reciprocating B) Open compressors
  C) Semi-hermetic compressors D) Hermetic compressors
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esimpso3esimpso3
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6 years ago
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#2
6 years ago
Thank you for answering correctly!
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