11.47 At a certain point in a pipe, air flows steadily with a velocity of 150 m/s and has a static pressure of 45 kPa and a static tempera- ture of 4 °C. The flow is adiabatic and frictionless. (a) Calculate the maximum possible reduction in area and the following quantities for that minimum area: stagnation pressure, stagnation temperature, static pressure, static temperature, velocity, and Mach number. (b) Calculate the quantities listed in (a) at a point where the area

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A: Given Image,

Q: Mach number

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A: Note:  5.198 is given in question by mistake. It must be 0.5198 for upstream mach.