An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known as
Options
A. subsonic
B. sonic
C. super-sonic
D. Mach.
Correct Answer
sonic
Airport Engineering problems
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1. If the width of the approach area near the runway end is 150 m, the width of the approach area at a distance of 3 kilometres from runway end will be
10. A gradient of + 0.08% is followed by a gradient of - 0.07%. If the permissible rate of change of grade is 0.003 per 30 metres, the length of the transition curve, is