Engineering Board Exam Reviewer · Fluid Mechanics · medium

A tank contains 2 m of oil (SG = 0.8) floating on 3 m of water. What is the gauge pressure at the bottom of the tank?

  1. 45.13 kPa
  2. 49.05 kPa
  3. 39.24 kPa
  4. 29.43 kPa

Answer

A. 45.13 kPa

Solution

P = γoil hoil + w hw = 0.8(9.81)(2) + 9.81(3) = 45.13 kPa.

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