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Type: Posts; User: hasni

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  1. Replies
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    Piping material for sprinkler system

    Can someone please tell me which is the most appropriate piping material for sprinkler system out of the following:
    Carbon steel (sch 40) ERW hot dip galvanized
    Black steel (sch 40) seamless
    ASTM...
  2. latent too high !

    @chatenever
    >>This would be extremely unusual, but it is certainly possible.
    Yeh that is what i am worried about. But i have checked my calculations and all the inputs, they seem ok.
    Well its a...
  3. Laten and Sensible load in an operation room/area

    I am working on an operation theater and in the process of heatload calculations.Itís been given a 100% fresh air as per code requirement. Thus final design calculations show sensible load as 22 tons...
  4. Hydrostatic pressure test for chilled water piping

    I have got two questions about chilled water piping:

    1. During pressure testing of a chilled water network, is it right to let the installed air vents stay as they are rather than replacing them...
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    Exhaust fan selection

    I want to select an exhaust fan from COOK or Green Heck catalog. When i look the technical data of any specific model, i don't find CFM that it shall be working for.Available data comprises of RPM,...
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    Heating load calculation

    Any thumb rule avilable to find out the heating load of a building.For example with an estimated cooling load of 15 tons, i will put a 20 tons packaged A/C unit to achieve this load for a building....
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    Laminar & Turbulant Flow

    Can someone describe these two types of flow in easy terminology.Thanks
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    Why ammonia refrigeration system

    Why ammonia refrigeration is preferred over conventional refrigeration when it comes to industrial scale. Also i have seen ammonia refrigeration has been used for central A/C system in a commercial...
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    VAV terminal unit working

    Can someone please explain the working of a pressure independent VAV terminal unit.How it is controlled through thermostat, is it CFM that we adjust at the thermostat or the temperature.Thanks
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