Servo tab is a small movable tab built into the trailing edge of an aircraft primary control surface. A servo tab is actuated by the cockpit control and it moves in the direction opposite to the direction the primary surface is to move.( )
A.Servo tab is connected on the trailing edge of primary flight control surface, moving in the opposite direction to that of primary control surface. B.Servo tab is a small movable tab built into the trailing edge of an aircraft primary control surface, which is actuated by the cockpit control, moving in the same direction as that of the primary surface moving. C.Servo tab is a small movable tab built into the trailing edge of an aircraft primary control surface. It moves as the primary flight control surface' S moving and not controlled by the cockpit.正确答案A
