1. Engineering
  2. Mechanical Engineering
  3. 3 12 pounds of working fluid is moving with a...

Question: 3 12 pounds of working fluid is moving with a...

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3) 12 pounds of working fluid is moving with a velocity of 70 ft/sec through a process. As it moves from state point 1 to state point 2 its elevation increases 80 ft, it delivers 9000 ft lbr of work, and it receives 70 Btu of heat. During this movement the pressure and density of the fluid do not change. Determine the change in internal energy of the working fluid (Btu/lbm). 4) An ideal gas initially at 13 psia and 210 degF is compressed from 25 ft3 to 10 ft3. If the final temperature is 400 degF, what is the final pressure (psia)?

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