

Airport Engineering - Engineering
Q1: An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known asA subsonic
B
sonic
C
super-sonic
D
Mach.
ANS:B - sonic Speed of aircraft:- A hypersonic speed exceeds 5 times the speed of sound, often stated as starting at speeds of Mach 5 and above. Supersonic speed is the speed of an aircraft that exceeds the speed of sound (Mach 1). |


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