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Author Question: Describe the difference between a flooded and a dry (direct expansion) type cooler. What will be ... (Read 7 times)

cool

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on: Jul 26, 2018
Describe the difference between a flooded and a dry (direct expansion) type cooler.
 
  What will be an ideal response?

Question 2

Why is the vacuum scale on the compound gauge not used to measure deep vacuum?
 
  What will be an ideal response?


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ciecieme

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

In a flooded cooler the refrigerant surrounds the outside of the tubes and the chilled water is circulated through the inside of the tubes. A dry direct expansion type cooler will circulate the refrigerant through the inside of the tubes and the chilled water will surround the outside of the tubes.

Answer to Question 2

Mechanical gauges cannot accurately indicate the difference between a poor vacuum and a great vacuum. The needle on the gauge is typically wider than the space occupied by 1 in Hg vacuum


cool

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Reply 2 on: Jul 26, 2018
Excellent

komodo7

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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