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  • Users: imok2
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  1. imok2

    part winding vs star/delta starters

    Which one is the preferred choice between part winding vs star/delta starters
  2. imok2

    piping failures

    What are the types of failures encountered in Piping?
  3. imok2

    Self Esteem

    What advice can I give to the young people today that I believe can help them live a better life because it is based on my experience. I barley graduated high school because I found it boring but I stayed in because I loved playing baseball and football. When I graduated I really had no real...
  4. imok2

    infrared heating

    The question is: Is infrared heating cheaper and more efficient then radient or gas because some Mfgs make that claim.For example if you generate 90,000 btu from infrared and use 22.6 Kw and you generate 90,000 btu from radient and use 22.6 Kw the claim is that infrared is cheaper because the...
  5. imok2

    Free graphics 3 D

    Free Custom 3D graphics include the following categories: • AHUs • AHU Diagrams • Cooling Towers • FCUs • System Components • Central Plant Go here http://www.computrols.com/3d
  6. imok2

    Mollier chart = Psycrometric chart

    I was not aware that the Mollier Diagram is the European version of the Anglo-American Psychrometric Chart. They are identical in content but not in appearance. The author says he will describe first the Mollier diagram and then show the simple transformation that changes it into the...
  7. imok2

    ôVariable Primary Flow Chilled Water Systems

    I thought some of you might be interested in this: The Air-Conditioning and Refrigeration Technology Institute (ARTI) has released a final report on a research project titled “Variable Primary Flow Chilled Water Systems: Potential Benefits and Application Issues.” To download a copy of the...
  8. imok2

    Thankful

    At this time of year my thoughts always turn to my youth. My father was a mill worker and an immigrant from Canada and my mother was also a mill worker. Both had only grade school educations but they both knew how to do hard work and therefore my brothers and I always had a home and food with...
  9. imok2

    Mixing refrigerants

    What determines an azeotrope from a blend when two refrigerents are mixed
  10. imok2

    Good information

    ARI Issues White Paper on Efficiency of Energy Recovery Ventilation and Combined Systems See at http://www.ari.org/pr/2004/04-04-ERVWhite.html
  11. imok2

    Free engineering web site

    You can't beat the price! http://www.connel.net/freeware/airduct.shtml
  12. imok2

    oiless compressors..What will they think of next?

    Turbocor's family of compressors, the world's first totally oil-free compressors, are specifically designed for the Heating, Ventilation, Air Conditioning and Refrigeration (HVACR) industry. The convergence of aerospace and industrially proven technologies which include magnetic bearings...
  13. imok2

    unloaders on refrigeration compressors

    I have a question I don't really know the answer for maybe some of you refrigeration engineers can tell me why you seem to never find unloaders on refrigeration equipment as opposed to finding them on air conditioning equipment,now I know about the heat load changing but doesn't it also change...
  14. imok2

    displacement ventilation

    Does anyone have any experience with this concept? With displacement ventilation, warm contaminants rise to the ceiling, the contaminated air is extracted, and fresh, cool air is supplied at floor level. "The indoor air quality is better if the contaminant sources are associated with the...
  15. imok2

    Hello,you all: I have come acros

    Hello,you all: I have come across a methane gas unit heater at a local town sewage plant that needs to be replaced. What I am tring to find out are the properties of methane gas. Like what would be the normal operating gas pressure (inlet & manifold). What is the BTU content of methane. And...
  16. imok2

    Hey all, We have a Trane Climate

    Hey all, We have a Trane Climate Changer air handler,chilled water system.The plumbers ran the condensate lines off the unit,due to limited space the traps turn down 5 inches over 4 inches and back up 4 inches then slope to floor drain.The unit has three 1 1/2" nipples all are trapped then...
  17. imok2

    I checked the voltage at the discon

    I checked the voltage at the disconnect and read 224 volts from L1 to L2, 224 volts from L1 to ground and 0 volts from L2 to ground. It appears to have a high leg and a neutral instead of two 110 legs. Any one ever see this before, and is it a problem? It doesn't seem right to me, but this is my...
  18. imok2

    Does anyone have a good web site on

    Does anyone have a good web site on calculating computer room heat loads?
  19. imok2

    Information source

    For those of you who could use another source of technical information try this: http://www.oit.doe.gov/clearinghouse//
  20. imok2

    Volume of water in a chilled water system

    Is there any way you can determine the volume of water in a closed chilled water system by the tonnage, discounting the volume by pipe size?

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