Engineering Board Exam Reviewer · Thermodynamics · medium

What is the gauge pressure at a depth of 10 m below the free surface of fresh water? ( = 1000 kg/m3, g = 9.81 m/s2)

  1. 9.81 kPa
  2. 199.4 kPa
  3. 981 kPa
  4. 98.1 kPa

Answer

D. 98.1 kPa

Solution

P = gh = 1000(9.81)(10) = 98,100 Pa = 98.1 kPa.

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