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Unit 86 questions and answers certified 2024
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Unit 86 questions and answers certified 2024
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Unit 86The rack-type system is the most common configuration for which type of
system? - correct answer ✔Multiplex
Which type of system reduces the total amount of refrigerant charge required?
- correct answer ✔secondary loop
The normal fluid temperature drop through a glycol coil on a secondary
cooling loop is: - correct answer ✔10°F
Match the rack system components with their functions. Filters out moisture
and particulates - correct answer ✔liquid line drier
Match the rack system components with their functions. Removes oil from
discharge gas - correct answer ✔oil separator
Match the rack system components with their functions. Indicates liquid level
in receiver - correct answer ✔liquid level sensor
Match the rack system components with their functions. Reduces flash gas in
the liquid line - correct answer ✔subcooler
Where is the refrigerant piping run from a rack system to the individual
refrigerated cases? - correct answer ✔in trenches under the floor
Where do commercial refrigeration "rack" systems get their name? - correct
answer ✔they use multiple compressors mounted in a row on a rack
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