A rigid closed of volume of 20 m contains dry saturated steam at 1 MPa. The...

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A rigid closed of volume of 20 m³ contains dry saturated steam at 1 MPa. The vessel looses heat to the surroundings and as a result, the pressure reduces to 0.1 MPa. The surrounding temperature and pressure are 27°C and 0.11 MPa Tsat P MPa) | °C 0.1 1 99.62 179.91 hf h₂ Se Vg Uf Vf Ug 7.3593 (m³/kg) (m³/kg) (kJ/kg) (kJ/kg) (kJ/kg) (kJ/kg) (kJ/kgK) (kJ/kgK) 0.001043 1.6940 417.33 2506.1 417.44 2675.5 1.3025 762.79 0.001127 0.19444 761.67 2583.6 2778.1 2.1386 6.5873 The heat lost by the vessel to the surroundings in MJ is (a) 1.9 (b) 2.1 (c) 198.3 The loss of available work N process in MJ is (a) 0.6 (b) 0.7 (d) 216.3 during the (c) 56.5 (d) 74.1 A rigid closed of volume of 20 m³ contains dry saturated steam at 1 MPa. The vessel looses heat to the surroundings and as a result, the pressure reduces to 0.1 MPa. The surrounding temperature and pressure are 27°C and 0.11 MPa Tsat P MPa) | °C 0.1 1 99.62 179.91 hf h₂ Se Vg Uf Vf Ug 7.3593 (m³/kg) (m³/kg) (kJ/kg) (kJ/kg) (kJ/kg) (kJ/kg) (kJ/kgK) (kJ/kgK) 0.001043 1.6940 417.33 2506.1 417.44 2675.5 1.3025 762.79 0.001127 0.19444 761.67 2583.6 2778.1 2.1386 6.5873 The heat lost by the vessel to the surroundings in MJ is (a) 1.9 (b) 2.1 (c) 198.3 The loss of available work N process in MJ is (a) 0.6 (b) 0.7 (d) 216.3 during the (c) 56.5 (d) 74.1

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