Engineering Board Exam Reviewer · Thermodynamics · medium

A 0.5 m3 rigid tank contains saturated water vapor at 1 MPa (vg = 0.1944 m3/kg). What is the mass of the vapor?

  1. 0.097 kg
  2. 0.389 kg
  3. 0.500 kg
  4. 2.572 kg

Answer

D. 2.572 kg

Solution

m = V/vg = 0.5/0.1944 = 2.572 kg.

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