GACA PPL Theory Practice Questions - Saudi GACA Private Pilot Licence (PPL) Theory Exam

What is the critical angle of attack?

The angle of attack at which parasite drag is minimized. The angle of attack for best rate of climb. The angle of attack at which an airfoil produces maximum lift coefficient. The angle of attack at which the aircraft stalls.

Correct Answer:

The angle of attack at which an airfoil produces maximum lift coefficient.

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