Saturated water vapor is heated in a rigid container from 160°C to 800°C. The final pressure is nearest:
A) 1.42 MPa
B) 1.48 MPa
C) 1.54 MPa
D) 1.59 MPa
D) 1.59 MPa
The specific volume at 160°C is vg = 0.307 m3/kg (Table C-1). From Table C-3 we search at 800°C
and observe at 1.6 MPa that v = 0.309 m3/kg. So, P2 = 1.59 MPa. (No careful interpolation is
needed.)
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