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

D. N = 1.66

Answer: Option C

Solution(By Examveda Team)

Area under $$p-v$$  diagram is minimum when work is done on a system under isothermal conditions hence $$n=1.$$