A fluid at 100 psia, with a specific volume of 4ft³/lb and a velocity of 600 ft/s, enters a device. Heat loss from the device by radiation is 10 BTU/b. The work done by the fluid is 200 BTU/b. The fluid exits at 20 psia, 15 ft³lb and 1100 ft/s. Determine the change in specific internal energy. Note: The inlet port is higher by 800 feet than the outlet port. Answer: _BTU/lb

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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my answer here is -12.57 BTU/lb please take note the height difference

A fluid at 100 psia, with a specific volume of 4ft3³/lb and a
velocity of 600 ft/s, enters a device. Heat loss from the device
by radiation is 10 BTU/lb. The work done by the fluid is 200
BTU/lb. The fluid exits at 20 psia, 15 ft³/lb and 1100 ft/s.
Determine the change in specific internal energy.
Note: The inlet port is higher by 800 feet than the outlet port.
A.
Answer:
BTU/lb
Transcribed Image Text:A fluid at 100 psia, with a specific volume of 4ft3³/lb and a velocity of 600 ft/s, enters a device. Heat loss from the device by radiation is 10 BTU/lb. The work done by the fluid is 200 BTU/lb. The fluid exits at 20 psia, 15 ft³/lb and 1100 ft/s. Determine the change in specific internal energy. Note: The inlet port is higher by 800 feet than the outlet port. A. Answer: BTU/lb
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