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Final air pressure in a heater

  1. May 24, 2014 #1
    2bar.png


    Why is the final air pressure equal to the initial air pressure?
     
  2. jcsd
  3. May 25, 2014 #2

    rude man

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    Why shouldn't it be? Is the air pressure in a space heater different between intake and outpour?
     
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