The exhaust process in the Otto, diesel, and Brayton cycles may be replaced with a constant-volume process for what primary reason?
A) To allow the first law to be satisfied
B) To simulate the zero heat transfer of the actual process
C) To restore the air to its original state with zero work
D) To create a closed cycle
C) To restore the air to its original state with zero work
Selection (D) is true but a zero-work process is required to simulate a simple exhaust to the atmosphere.
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