A piston-cylinder device initially contains air at 170 kPa and 30°C. At this state, the piston is resting on a pair of stops, and the enclosed volume is 600 L. The mass of the piston is such that a 400-kPa pressure is required to move it. The air is now heated unti its volume has increased by 3X. Determine the following: (a) the final temperature (b) the work done by the air (c) The total heat transferred to the air. www.www AIR P1 170 KPa T1 30 °C V1 600 L PIN 400 0 170 0.6 1.8 V

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Question 4:
A piston-cylinder device initially contains air at 170 kPa and 30°C. At this state, the
piston is resting on a pair of stops, and the enclosed volume is 600 L. The mass of the
piston is such that a 400-kPa pressure is required to move it. The air is now heated until
its volume has increased by 3X.
Determine the following:
(a)
the final temperature
(b) the work done by the air
(c)
total heat transferred to the air.
AIR
P1 170 KPa
T1 30 °C
V1 600 L
In
400
170
0.6
1.8
V
Transcribed Image Text:Question 4: A piston-cylinder device initially contains air at 170 kPa and 30°C. At this state, the piston is resting on a pair of stops, and the enclosed volume is 600 L. The mass of the piston is such that a 400-kPa pressure is required to move it. The air is now heated until its volume has increased by 3X. Determine the following: (a) the final temperature (b) the work done by the air (c) total heat transferred to the air. AIR P1 170 KPa T1 30 °C V1 600 L In 400 170 0.6 1.8 V
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