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QUESTION 3 Air enters a one-inlet, one-exit control volume at 6 bar, 500 K, and 30 m/s through a flow area of 28 cm 4. At the exit, the pressure is 3 bar, the temperature is 455 K, and the velocity is 300 m/s. The air behaves as an ideal gas (constant specific heat can be assumed). Potential energy effects are negligible. • Is the control volume open, closed, or isolated? • For steady-state operation,

QUESTION 3 Air enters a one-inlet, one-exit control volume at 6 bar, 500 K, and 30 m/s through a flow area of 28 cm 4. At the exit, the pressure is 3 bar, the temperature is 455 K, and the velocity is 300 m/s. The air behaves as an ideal gas (constant specific heat can be assumed). Potential energy effects are negligible. • Is the control volume open, closed, or isolated? • For steady-state operation,

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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QUESTION 3 Air enters a one-inlet, one-exit control volume at 6 bar, 500 K, and 30 m/s through a flow area of 28 cm 2. At the exit, the pressure is 3 bar, the temperature is 455 K, and the velocity is 300 m/s. The air behaves as an ideal gas (constant specific heat can be assumed). Potential energy effects are negligible. • Is the control volume open, closed, or isolated? • For steady-state operation, o the mass flow rate, in kg/s, is o the exit flow area, in cm2, is • Is the heat transfer negligible? If so, indicate why; if not, report the value in kl/s. • Of the engineering compponents discussed in class, which deivce does this control volume most nearly resemble?
Transcribed Image Text:QUESTION 3 Air enters a one-inlet, one-exit control volume at 6 bar, 500 K, and 30 m/s through a flow area of 28 cm 2. At the exit, the pressure is 3 bar, the temperature is 455 K, and the velocity is 300 m/s. The air behaves as an ideal gas (constant specific heat can be assumed). Potential energy effects are negligible. • Is the control volume open, closed, or isolated? • For steady-state operation, o the mass flow rate, in kg/s, is o the exit flow area, in cm2, is • Is the heat transfer negligible? If so, indicate why; if not, report the value in kl/s. • Of the engineering compponents discussed in class, which deivce does this control volume most nearly resemble?
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