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  3. question 30 25 marks a large tank containing air at...

Question: question 30 25 marks a large tank containing air at...

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Question 3.0 [25 marks] A large tank containing air at 860 kPa and 79 C is attached to a convergent and divergent nozzle that has throat area of 967 mm2 through which air is exiting. A normal shock wave sits at a point where the area is 1613 mm2 The nozzle exit area is 2258 mm. What are the Mach numbers just after the shock and at the exit? What are the stagnation and static pressures before and after the shock? [25 marks]

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