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TRG-TRC010-EN 53
Quiz
8) What velocity component is directly proportional to the impeller’s rotational
speed times its diameter?
9) What are the 2 most common devices used to vary the capacity of a
centrifugal compressor?
Questions for Period 4
10)Explain why proper water treatment is important.
Questions for Period 5
11)The refrigerant migration method of free cooling works because refrigerant
migrates from the area of __________ temperature to the area of __________
temperature.
12)What is the purpose of a fouling factor?
trgtrc010_book.book Page 53 Wednesday, September 1, 1999 10:42 AM