1. A frictionless piston-cylinder device contains 2 kg of nitrogen at PkPa and I, K. Nitrogen is now compressed slowly according to the relation PV1.5= constant until it reaches a final temperature of T, K. a) Write the equation that gives the work using the PV"- constant relation. b) Calculate the work input during this process. The gas constant for nitrogen is R= 0.2968 kJ/kg K. c) Show the process change in the P-V diagram. Last one digit ef your student number 300 400 401 100 101 311 111 301 411 103 313 403 113 303 413 pyna Constant 117 419 417 307 321 309 317 119 319 107 421 121 407 109 413
1. A frictionless piston-cylinder device contains 2 kg of nitrogen at PkPa and I, K. Nitrogen is now compressed slowly according to the relation PV1.5= constant until it reaches a final temperature of T, K. a) Write the equation that gives the work using the PV"- constant relation. b) Calculate the work input during this process. The gas constant for nitrogen is R= 0.2968 kJ/kg K. c) Show the process change in the P-V diagram. Last one digit ef your student number 300 400 401 100 101 311 111 301 411 103 313 403 113 303 413 pyna Constant 117 419 417 307 321 309 317 119 319 107 421 121 407 109 413
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Transcribed Image Text:1. A frictionless piston-cylinder device contains 2 kg of nitrogen at PkPa and I K. Nitrogen is now
compressed slowly according to the relation PV1.25 = constant until it reaches a final temperature of I; K.
a) Write the equation that gives the work using the PV" = constant relation.
b) Calculate the work input during this process. The gas constant for nitrogen is R = 0.2968 kJ/kg-K.
c) Show the process change in the P-V diagram.
Last one digit of your P
student number
100
300
101 311 401
111
103
1
411
|313
303
403
4.
113
PV Constant
117
317
419
119
319
417
307
121 321
109 309
107
421
413
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