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Closed tank and inverted manometer question

  1. Aug 26, 2009 #1
    Hey guy this is my first post here. Im looking for a little bit of help with a past paper i've been looking over. I've had a look at it and im drawing a blank due to being off ill when this was covered in class, if anyone would be so kind as to show me how to get started on this question I would be very greatful.

    1. The problem statement, all variables and given/known data

    A closed cylindrical tank filled with water (pwater= 1000kg/m3) has a hemispherical dome and is connected to an inverted piping system. The liquid in the top of the piping system has a relative density of 0.8 and the remaning parts of the system are filled with water. Given that the pressure gauge reading at A is 60kPa, determine:

    i)the pressure in the pipe at B
    ii) the equivalent pressure head, in mm of mercury (pmercury = 13,600 kg/m3) at the top of the dome

    Thanks in advance if anyone can help me out here :)!
     
  2. jcsd
  3. Aug 27, 2009 #2
    Hi and welcome to PF.

    Before we can get started, I think a sketch would be helpful so we know where A and B are and any other useful information.
     
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