5 questions would be shown from a total of 30 free practice questions to prepare you for the cadet pilot interview. Enjoy!
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1. For Mach numbers greater than _______, the frictional heating of the airframe by the air becomes high enough that light weight aluminum can not be used for an aircraft structure.
At Mach numbers greater than 2.5, aluminum is no longer an option. The SR-71 was made largely of titanium, which has good high temperature characteristics, but is still light enough for aircraft structures. To allow for the expansion, slip joints are used in many places on the SR-71. On the ground, the SR-71 fuel tanks leak, and they do not seal until the aircraft heats up during flight.
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2. The narrow region where stall speed and high speed buffet meet is referred to as ________.
Coffin corner occurs from the interaction between stall speed and critical mach speed, which are both caused by pressure over your wing.
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3. You see these clouds high in the sky. What are they?
These are Cirrus clouds.
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4. When air flows across a shockwave (as it does during transonic flight), velocity __________ and temperature __________.
As air flows across a shockwave, its velocity decreases, and its temperature increases. You can read more about it here: https://history.nasa.gov/SP-367/chapt5.htm#f87
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5. Vso is the _________.
Vso is the published stalling speed in a landing configuration at maximum gross weight.
Your score is
The average score is 45%
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