Air flows from a reservoir through an isentropic nozzle into a long straight pipe. The pressure and temperature in the reservoir are 20 atm and 555.6 K, respectively, and the Mach number at the entrance of the pipe is 0.05. (a) What is the value of max DTH (b) What are the pressure, temperature, density, linear velocity, and mass velocity when Lb = Lmax"? (c) What is the mass velocity when fLmax TH = 400?

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