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Author Question: Smaller chillers typically use: A) Centrifugal or rotary compressors. B) Centrifugal or screw ... (Read 133 times)

Alainaaa8

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on: Jul 24, 2018
Smaller chillers typically use:
 
  A) Centrifugal or rotary compressors. B) Centrifugal or screw compressors.
  C) Reciprocating or scroll compressors. D) Rotary or hermetic compressors.

Question 2

A common type of defrost control used on air-source heat pumps is:
 
  A) Demand defrost based on compressor current draw.
  B) Time initiated and time terminated.
  C) Demand defrost based on suction pressure.
  D) Time initiated and temperature terminated.


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bookworm410

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

C

Answer to Question 2

D


Alainaaa8

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


bookworm410

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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