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19.

The total length of a runway is 1000 m. The elevation at distance 0,200 m, 400 m, 600 m, 800 m and 1000 m are 100.0 m, 99.2 m, 101.0 m, 101.8 m, 101.4 m and 101.0 m respectively. The effective gradient of runway will be.                        


A. 0.10% B. 0.26%
C. 0.43% D. 0.65%




20.

An airport has 4 gates. If the weighted average gate occupancy time is 30 minutes and gate utilisation factor is 0.5, then the capacity of the gate will be                        


A. 1 aircraft per hour B. 2 aircrafts per hour
C. 4 aircrafts per hour D. 16 aircrafts per hour




21.

As per ICAO recommendation, minimum width of safety area for instrumental runway should be                        


A. 78 m B. 150 m
C. 300 m D. 450 m




22.

As per ICAO recommendation, the rate of change of longitudinal gradient per 30 m length of vertical curve for A and B type of airports is limited to a maximum of                        


A. 0.10% B. 0.20%
C. 0.30% D. 0.40%




23.

As per ICAO, for A, B, and C type of airports, maximum effective, transverse and longitudinal grades in percentage respectively are                        


A. 1.0, 1.5 and 1.5 B. 1.0, 1.5 and 2.0
C. 1.5, 1.5 and 2.0 D. 2.0, 2.0 and 2.0




24.

As per UK design criteria, if LCN of aircraft is between 1.25 to 1.5 times the LCN of pavement, then the number of movements allowed are                        


A. Zero B. 300
C. 3000 D. Unrestricted




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