FUND OF ENG THERMODYN(LLF)+WILEYPLUS
9th Edition
ISBN: 9781119391777
Author: MORAN
Publisher: WILEY
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A gas contained within a piston–cylinder assembly undergoes three processes in series:Process 1–2: Constant volume from p1 = 1 bar, V1 = 6 m3 to state 2, where p2 = 2 bar.Process 2–3: Compression to V3 = 3 m3, during which the pressure–volume relationship is pV = constant.Process 3–4: Constant pressure to state 4, where V4 = 1 m3.Determine the work for each process, in kJ.
Process 1–2:
W12 =
kJ
Process 2–3:
W23 =
kJ
Process 3–4:
W34 =
kJ
A gas in a piston-cylinder assembly undergoes a process during which its volume reduces from 2 m to 1 m°. During this process, the system specific volume
does not change
O increases twice
O reduces twice
A gas in a piston-cylinder assembly undergoes a compression process for which the relation between
pressure and volume is given by pV constant. The initial volume is 0.1 m², the final volume is 0.04 m².
and the final pressure is 2 bar. Determine the initial pressure, in bar, and the work for the process, in kJ, if
(a) n-0. (b) n-1, (e)n-1.3.
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