Discussion
In a steady isentropic flow, an increase in Mach number is accompanied by
Answer: D
Accelerating an isentropic flow converts thermal energy into kinetic energy, so the static temperature falls, and with it the pressure and density. The stagnation values stay fixed, so the ratios of stagnation to static properties all increase with Mach number, which is exactly what the isentropic tables tabulate.
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