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Chemical Engineering · Q375

Chemical Engineering Thermodynamics

Engineering and GATE · Chemical Engineering · question 375

Q375

In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when

A.
N = y = 1.4
B.
N = 0
C.
N = 1
Answer
D.
N = 1.66

Answer: Option C

Solution

Answer: Option C
Solution:
Area under  diagram is minimum when work is done on a system under isothermal conditions hence