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Author Question: What are the disadvantages of CO2 as a refrigerant? What will be an ideal ... (Read 38 times)

james0929

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on: Jul 26, 2018
What are the disadvantages of CO2 as a refrigerant?
 
  What will be an ideal response?

Question 2

Why do spherical encapsulated ice containers have dimples on their exterior surface?
 
  What will be an ideal response?


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jessicaduplan

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Reply #1 on: Jul 26, 2018
Answer to Question 1

CO2 systems operate at considerably higher pressures. At room temperature the pressure of CO2 is approximately 913 psi. Just a small increase in temperature results in a significant rise in pressure. Systems need to be kept below 88F at all times in the event of a power outage. Systems must be designed to vent the CO2 directly outside to prevent personal injury in occupied spaces.

Answer to Question 2

The dimples are to allow for expansion on freezing.


james0929

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Reply 2 on: Jul 26, 2018
Wow, this really help

vickybb89

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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