38) Which of the following factors are taken into account for estimating the runway length required for aircraft landing? 1.Normal maximum temperature 2.Airport elevation 3.Maximum landing weight 4.Effective runway gradient.Select the correct answer using the codes given below Codes

39) Select the correct answer using the codes given below Codes

40) In an airport, if 4 groups of 5 gates each located well-separated are considered for traffic and the future to present traffic ratio is 3, then the total requirement of future gates will be

41) Castor angle is defined as the angle

42) The runway length after correcting for elevation and temperature is 2845 m. If the effective gradient on runway is 0.5 percent then the revised runway length will be