FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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Prepare for the FAA AMT Airframe Exam with our comprehensive quiz. Featuring flashcards and multiple choice questions, each with hints and explanations to enhance your learning experience. Get ready to pass your exam with confidence!

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When the lift of an airfoil increases, what happens to the drag?

It also increases
It decreases
It remains the same
It varies unpredictably

The correct answer is: It also increases

When the lift of an airfoil increases, the drag also increases. This phenomenon is explained by the relationship between lift and drag on an airfoil. As the angle of attack or airspeed increases, the lift force generated by the airfoil increases. However, this increase in lift is accompanied by an increase in drag due to the aerodynamic forces acting on the airfoil. Drag is essentially the retarding force that opposes the motion of the airfoil through the air. Therefore, as lift increases, drag increases as well. The other options are not correct because they do not reflect the direct relationship between lift and drag on an airfoil.