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Author Question: Larger-tonnage refrigerant units use which kinds of chillers? A) Reciprocating and screw ... (Read 33 times)

dejastew

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on: Jul 24, 2018
Larger-tonnage refrigerant units use which kinds of chillers?
 
  A) Reciprocating and screw compressor chillers B) Centrifugal and screw compressor chillers
  C) Reciprocating and scroll compressor chillers D) Scroll and centrifugal compressor chillers

Question 2

During the defrost cycle:
 
  A) The outdoor heat strips are energized.
  B) The entire system shuts off to allow it to defrost.
  C) The outdoor coil becomes the condenser and the outdoor fan shuts off.
  D) The outdoor fan shuts off to slow frost accumulation.


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14vl19

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

B

Answer to Question 2

C


dejastew

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Reply 2 on: Jul 24, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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