CAAC Aerodynamics and Airplanes #4| 303 QUESTIONS| WITH COMPLETE SOLUTIONS
4001. How the stability of the atmosphere be determined? correct answer: (A) Ambient temperature laps rate. 4002. ( ) prevents airflow directly from the high pressure area to low pressure area when air moves in a level direction. correct answer: (C) Coriolis deflecting force. 4003. One purpose of hight-lift devices? correct answer: (B) Delay stall. 4004. The primary purpose of high-lift device is to increase the? correct answer: (B) Lift in low speeds. 4005. Airflow separation over the wing can be delayed by using vortex generators? correct answer: (C) Making the wing surfaces rough and/or directing high pressure air over the top of the wing of flap through slots. 4006. Describe dynamic longitudinal stability? correct answer: (B) Motion about the lateral axis. 4007. Identify the type of stability if the aircraft attitude remains in a new position after the controls have been neutralized? correct answer: (C) Neutral longitudinal static stability. 4008. Identify the type of stability if the aircraft attitude tends to move father from its original position after the controls have been neutralized? correct answer: (A) Negative static stability. 4009. Identify the type stability if the aircraft attitude rends to return to its original after the c
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