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Level 4 Aviation Test (Air Cadets) 2025 Questions and Answers Auxiliary airfoils that move out in front of the leading edge at high angles of attack are called ---- - ....ANSWER ...-Slats Passages built into the wing that affect the airflow in the same way as slats are called ---- ....ANSWER ...-Slots Wing tip modifications designed to increase lift and reduce drag include ---- ....ANSWER ...-wing tip fuel tanks, winglets, and drooping the wing tips Wash-in ---- the angle of incidence at the wing tip. - ....ANSWER Camber is the ---- - ....ANSWER ...-increases ...-curvature of an airfoil. Divide the ---- by the ---- to calculate the aspect ratio. - ....ANSWER ...-wing span / average chord Laminar airfoils are generally the thickest at ---- of the chord, whereas conventional airfoils are thickest at ---- of the chord, and reduce drag by maintaining the laminar flow of air throughout a ---- of the chord. - ....ANSWER ...-50% / 25% / greater percentage A ---- as the altitude of an aircraft increases can cause ---- - ....ANSWER ...-decrease in the density of the air / density errors in the ASI …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1