A piston-cylinder device initially contains air at 150 kPa and 27 C. At this state, the volume is 400 litre. The mass of the piston is such that a 350 kPa pressure is required to move it. The air is now heated until its volume has doubled. Determine the final temperature.

A piston-cylinder device initially contains air at 150 kPa and 27 C. A

1.	A piston-cylinder device initially contains air at 150 kPa and 27 C. At this state, the volume is 400 litre. The mass of the piston is such that a 350 kPa pressure is required to move it. The air is now heated until its volume has doubled. Determine the final temperature.
A.	1400 K
B.	400 K
C.	500 K
D.	1500 K
Answer» B. 400 K

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A piston-cylinder device initially contains air at 150 kPa and 27 C. At this state, the volume is 400 litre. The mass of the piston is such that a 350 kPa pressure is required to move it. The air is now heated until its volume has doubled. Determine the final temperature.

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