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    why is nitrogen considered a "non-condensable" gas?
    Answers: 1 | Views: 967 | Rating: 1 | Posted: 10 years ago
    Last answer: ROMOS 10 years ago
    hvac/r,what is the special valve used in a refrigerated air drier?
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    Last answer: Deleted User 11 years ago
    the density of tungsten is 1210 lb/ft3. what would be it's specific volume
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    Last answer: ROMOS 12 years ago
    do air cooled condensers have lower head pressure than water cooled condensers?
    Answers: 1 | Views: 528 | Rating: 0 | Posted: 13 years ago
    Last answer: Shootah 13 years ago

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