Airport Engineering
The runway orientation is made so that landing and takeoff are

Perpendicular to wind direction
Against the wind direction
None of these
Along the wind direction

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Airport Engineering
Castor angle is defined as the angle

Between the true speed of the aircraft and the crosswind component
Between the direction of wind and the longitudinal axis of the runway
Formed by the longitudinal axis of the aircraft and the direction of movement of the nose gear
Between the horizontal and the fuselage axis

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