Glider Instructor written exam Questions & Answers!!
Why does increasing speed also increase lift? - ANSWER The increased impact of the relatve wind on an airfoils lower surface creates a greater amount of air being deflected downward. Adverse yaw during a turn entry is caused by - ANSWER decreased induced drag on the lowered wing and increased induced drag on the raised wing When rolling out of a steep-banked turn, what causes the lowered aileron to create more drag than when rolling into a turn? - ANSWER The wings angle of attack is greater as the rollout is started. Which statement is true concerning the aerodynamic conditions which occur during a spin? - ANSWER After a full stall, the wing that dips continues in a stalled condition while the rising wing regains and continues to produce some lift, causing the rotation. Lift produced by an airfoil is the net force developed perpendicular to the - ANSWER relative wind The angle between the chord line of an airfoil and the relative wind is known as the angle of - ANSWER attack Which statement relates to Bernoulli's principal? - ANSWER Air traveling faster over the curved upper surface of an airfoil causes lower pressure on the top surface. The portion of the aircraft's total drag created by the production of lift is called - ANSWER Induced drag and is greatly affected by changes in airspeed.
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