Answers

2014-11-24T16:49:23+08:00
Sol'n:
p=yh
where;
      p- gauge Pressure
      y- Unit weight
      h- Height or Elevation
Let us first convert 13.3 psi into lbsf( pounds per square inch.)
      (13.3psi)(12 inch/1ft)² = 1915.2 lbsf
thus,

      1915.2 lbsf = (56 lbs/cubic ft)(h)
           h = 34.2 ft.          (ans.)
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Thank you for your answers...God Bless