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Author Question: Which type of compressor chiller uses a pair of rotors to compress the refrigerant gas? A) ... (Read 67 times)

BrownTown3

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on: Jul 24, 2018
Which type of compressor chiller uses a pair of rotors to compress the refrigerant gas?
 
  A) Reciprocating compressor chillers B) Centrifugal compressor chillers
  C) Scroll compressor chillers D) Screw compressor chillers

Question 2

The most common type of demand defrost control:
 
  A) Senses the suction pressure.
  B) Measures the temperature difference between the coil temperature and the ambient temperature.
  C) Senses the compressor current draw.
  D) Operates strictly on time.


reelove4eva

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Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

B


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