Engineering Board Exam Reviewer · Fluid Mechanics · medium

Water has a bulk modulus of 2.2 GPa. What pressure increase is required to reduce its volume by 1%?

  1. 22 MPa
  2. 2.2 MPa
  3. 220 MPa
  4. 0.22 MPa

Answer

A. 22 MPa

Solution

P = Ev( V/V) = 2.2 × 109 (0.01) = 22 × 106 Pa = 22 MPa.

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