Multiple Choice
Air is to be compressed steadily and isentropically from 2 atm to 18 atm by a two-stage compressor. To minimize the total compression work, the intermediate pressure between the two stages must be
A) 4 atm
B) 12 atm
C) 10 atm
D) 6 atm
E) 18 atm
Correct Answer:

Verified
Correct Answer:
Verified
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