Question

QUESTION 21 Q21 (LO3) (2 Marks] A tank whose volume is unknown is divided into two parts by a parttion. One side of the tank contains 0.05 m3 of refrigerant-134a that is a saturated liqui at 0.9 MPa, while the other side is evacuated. The partion is now removed, and the refrigerant i determine the volume of the tank fils the entire tank. If the final state of the refrigerant is 20°C and 280 kPa, R-134a Evacuated P 0.9 MPa temp., liquid vapor, liquid, Evap.,, vapor 600 21.55 0.0008198 0.034335 81.01 160.84 241.86 650 24.20 0.0008265 0.031680 84.72 158.51 243.23 700 26.69 0.0008331 0.029392 88.24 156.27 244.51 750 29.06 0.0008395 0.027398 91.59 154.11 245.70 800 31.31 0.0008457 0.025645 94.80 152.02 246.82 850 33.45 0.0008519 0.024091 97.88 150.00 247.88 00 35.51 0.0008580 0.022703 100.84 148.03 248.88 950 37.48 00008640 0.021456 103.7O 146.11 249.82 39.37 0.0008700 0.020329 106.47 144.24 250.71 134a kikg kung-K 0.28 MPa (T, ' .. 1.25°C) Sat, 0.07243 229.49 249.77 0.9323 0 0.07282 230.46 250.85 0.9362 10 0.07646 238.29 259.70 0.9681 20 0.07997 246.15 268.54 0.9987 30 0.08338 254.08 277.42 1.0285 40 0.08672 262.12 286.40 1.0577 50 0.09000 270.28 295.48 1.0862 800 1.31 0000497 0025646 91.3 15202 245.0 800 31.31 0.0008457 0.025645 94.80 152.02 246.82 850 33.45 0.0008519 0.024091 97.88 150.00 247.88 900 35.51 0.0008580 0.022703 100.84 148.03 248.88 950 37.48 0.0008640 0.021456 103.70 146.11 249.82 1000 39.37 0.0008700 0.020329 106.47 144.24 250.71 P = 0.28 MPa (T,at- _ 1.25°C) Sat. 0.07243 229.49 249.77 0.9323 0 0.07282 230.46 250.85 0.9362 10 0.07646 238.29 259.70 0.9681 20 0.07997 246.15 268.54 0.9987 30 0.08338 254.08 277.42 1.0285 40 0.08672 262.12 286.40 1.0577 50 0.09000 270.28 295.48 1.0862 60 0.09324 278.58 304.69 1.1143 70 0.09644 287.01 314.01 1.1419 80 0.09961 295.59 323.48 1.1690 90 0.10275 304.30 333.07 1.1958 100 0.10587 313.17 342.81 1.2223 110 0.10897 322.18 352.69 1.2484 120 0.11205 331.34 362.72 1.2742 130 0.11512 340.65 372.88 1.2998 140 0.11818 350.11 383.20 1.3251 5.15 m O 1.13 m3 4.66 m3 2.80 m3 Click Save and Submit to save and submit. Click Save All Answers to save all answers

Answer 1

Question 2 final file R-134a 3 B280 Kfa heted table Vニ0.05 ㎡ Evacuated a= 0.07977 m3/ yomat: liquid R-13ta Presude tables Initral stale -134a in 갸u-tank a88 O.05 m 275タ 58.219(0.i) 3 二14.66 m