A jet-propelled aircraft is flying at a speed of 1100 km/hour at t = 2 – McqOptions

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1.	A jet-propelled aircraft is flying at a speed of 1100 km/hour at t = 20°C, r = 1.4, and R = 287 J/kg K The Mach number at a point on the jet will be nearly
A.	0.3
B.	0.5
C.	0.7
D.	0.9
Answer» E.

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