1. There are withdrawn 200 ft3 of air measured at 15 psia and 900F from a 50-ft3 tank containing air initially at 100 psia and 140oF. What is the pressure of the air remaining in the tank if its temperature is 1300F?
1. There are withdrawn 200 ft3 of air measured at 15 psia and 900F from a 50-ft3 tank containing air initially at 100 psia and 140oF. What is the pressure of the air remaining in the tank if its temperature is 1300F?
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![1. There are withdrawn 200 ft3 of air measured at 15 psia and 900F from a 50-ft3 tank containing air
initially at 100 psia and 140oF. What is the pressure of the air remaining in the tank if its temperature is
1300F?
Ans: 33.96 psia
2. Two compressed gas cylinders are connected by a hose and isolation valve. Chamber #1 has a volume
of 5 ft3 and contains 2 Ibm. Chamber #2 has a volume of 10 ft3 and contains 1 Ibm. What is the specific
volume of the gas in chamber #1? What is the specific volume of the gas in chamber #2? After the valve
is opened, what is the specific volume of the gas?
Ans: v1+2= 5 ft3/lbm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fefd8e966-5df5-4da0-9c17-5a3ef9c94ce9%2Fdbdbe13b-c140-4b3b-98cb-c57cac8f7889%2Fh6tpsyo_processed.png&w=3840&q=75)
Transcribed Image Text:1. There are withdrawn 200 ft3 of air measured at 15 psia and 900F from a 50-ft3 tank containing air
initially at 100 psia and 140oF. What is the pressure of the air remaining in the tank if its temperature is
1300F?
Ans: 33.96 psia
2. Two compressed gas cylinders are connected by a hose and isolation valve. Chamber #1 has a volume
of 5 ft3 and contains 2 Ibm. Chamber #2 has a volume of 10 ft3 and contains 1 Ibm. What is the specific
volume of the gas in chamber #1? What is the specific volume of the gas in chamber #2? After the valve
is opened, what is the specific volume of the gas?
Ans: v1+2= 5 ft3/lbm
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