In the piston-cylinder system shown in the figure, the piston rises up to (3) position. 3 given in
table by choosing one of the options, find;
a) the pressures and temperatures at (2, 3) positions,
b) the process change (1-2, 2-3) P-v diagram by drawing its tails,
c) find the total boundary work and the spring work,
d) the transferred heat.
1. Option
2. Option
3. Option
T? (°C)
90
100
110
(3)
V1 (m³)
0.5
0.7
0.9
Ax2
(2)
X1 (dryness
0.4
0.2
0.6
Ap
degree)
Ax1
(1)
Ap (m²)
0.5
0.7
0.9
Water
Ax1 (cm)
10
15
20
X1, T1, V1
Ax2 (cm)
15
25
35
k (kN/m)
200
250
300
Q