Q/ A piston/cylinder arrangement, contains oxygen at 200 kPa, 350°C. The 40-kg piston has a diameter of 0.2 m and initially pushes against the stops. The atmosphere is at 100 kPa and 20°C. The eylinder now cools as heat is transferred to the ambient. a. At what temperature does the piston begin to move down? b. How far has the piston dropped when the temperature reaches ambient? c. Draw P-v diagram 02 20 cm

Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter2: Matter And Energy
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Q! A piston/cylinder arrangement, contains oxygen at 200 kPa, 350°C. The 40-kg
piston has a diameter of 0.2 m and initially pushes against the stops. The atmosphere is
at 100 kPa and 20°C. The cylinder now cools as heat is transferred to the ambient.
a. At what temperature does the piston begin to move down?
b. How far has the piston dropped when the temperature reaches ambient?
c. Draw P-v diagram
02
20 cm
Transcribed Image Text:Q! A piston/cylinder arrangement, contains oxygen at 200 kPa, 350°C. The 40-kg piston has a diameter of 0.2 m and initially pushes against the stops. The atmosphere is at 100 kPa and 20°C. The cylinder now cools as heat is transferred to the ambient. a. At what temperature does the piston begin to move down? b. How far has the piston dropped when the temperature reaches ambient? c. Draw P-v diagram 02 20 cm
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