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A perfect gas flows through an insulated passage with no shaft work. The entering conditions are T1 = 290 K,P1 = 350 kPa, and V1 = 200 m/s. During the process 80 J/kg*K of entropy per unit mass is generated. At the downstream exit section, the Mach number is M2 =1. Properties of gas, Cp = 1000 J/kg*K, Cv = 800 J/kg*K

a) Find the temperature at the second point

b) Find the pressure at the second point

c) What is the ratio of the exit diameter to inlet diameter?

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