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Air Is Flowing in a Wind Tunnel at 8°C and 86

Question 4

Multiple Choice

Air is flowing in a wind tunnel at 8°C and 86 kPa at a velocity of 235 m/s. The Mach number of the flow is

A) 0.54
B) 0.87
C) 2.1
D) 1.4
E) 0.70

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