Airport Engineering
Which of the following factors are taken into account for estimating the runway length required for aircraft landing?1. Normal maximum temperature2. Airport elevation3. Maximum landing weight4. Effective runway gradientSelect the correct answer using the codes given below Codes:

1,2,3 and 4
2 and 3
1,2 and 4
1,3, and 4

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Airport Engineering
Castor angle is defined as the angle

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

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