Complete Question:
the first attached file shows the schematic
Answer:
a. irreversible cycle
b. 0.182
c. 0.2646
Explanation:
From the saturated vapour pressure table
When the pressure is 1 MPa
Temperature, T₄₁ = 179.9 °C = 452.9 °k
When Pressure is 20 kPa
Temperature, T₃₂ = 60.06 °C = 333.06 °K
attached images 2, 3, 4 and 5 shows a comprehensive solution to the questions