For the Figure shown, answer the following three questions Oxygen is first at a pressure of 250 kpa and 300 C, piston mass and diameter are 35 kg. and 0.1 m respectively and initially pushes against stops. The outside atmosphere is at 30 C and 100 kpa. The cylinder is cooled to ambient temperature as heat is transferred to the surroundings 7- the temperature when the piston start moving down is а. 56 С b. 200 С с. 27.5 С Air d. 30 C 2.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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For the Figure shown, answer the following three questions
Oxygen is first at a pressure of 250 kpa and 300 C, piston mass and diameter are 35 kg.
and 0.1 m respectively and initially pushes against stops. The outside atmosphere is at 30
C and 100 kpa The cylinder is cooled to ambient temperature as heat is transferred to the
surroundings
7- the temperature when the piston start moving down is
а. 56 С
b. 200 C
c. 27.5 C
d. 30 C
Air
25 сm
8- The pressure of the gas when the temperature reaches ambient is
a. 203.2 kpa
b. 131.2 kpa
c. 143.7 kpa
d. 250 kpa
9- The distance that the piston dropped when the temperature reaches ambient is
a. 0.53 cm
b. 2.04 cm
c. 0.64 cm
с.
d. 5.3 cm
10- Distillation columns are part of
a. fuel cells
b. commercial refrigeration cycles
c. steam power plants
d. air separation plants
Transcribed Image Text:For the Figure shown, answer the following three questions Oxygen is first at a pressure of 250 kpa and 300 C, piston mass and diameter are 35 kg. and 0.1 m respectively and initially pushes against stops. The outside atmosphere is at 30 C and 100 kpa The cylinder is cooled to ambient temperature as heat is transferred to the surroundings 7- the temperature when the piston start moving down is а. 56 С b. 200 C c. 27.5 C d. 30 C Air 25 сm 8- The pressure of the gas when the temperature reaches ambient is a. 203.2 kpa b. 131.2 kpa c. 143.7 kpa d. 250 kpa 9- The distance that the piston dropped when the temperature reaches ambient is a. 0.53 cm b. 2.04 cm c. 0.64 cm с. d. 5.3 cm 10- Distillation columns are part of a. fuel cells b. commercial refrigeration cycles c. steam power plants d. air separation plants
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