# Airport Engineering MCQ

21. Total correction for elevation, temperature and gradient for a runway should not exceed

1. 25%
2. 35%
3. 15%
4. 20%

22. At a certain station, the mean of the average temperature is 30°C and mean of the maximum daily temperature is 45°C. What is the airport reference temperature?

1. 35°C
2. 25°C
3. 45°C
4. None of the above

23. The boundary of the landing and takeoff area of heliports are illuminated by

1. Amber light
2. Green light
3. White light
4. Blue light

24. At an airport, the turning radius of taxiway is given by ___________.  (V is in km/h and f is coefficient of friction)

1. V2/128f
2. V2/125f
3. V2/126f
4. V2/127f

25. At an airport, the basic runway length is corrected for

1. Moisture content, temperature, and effective gradient
2. Elevation, temperature, and moisture content
3. Elevation, temperature, and effective gradient
4. Temperature and friction

26. Runway threshold is indicated by series of parallel lines starting from a distance of

1. 3 m from runway end
2. 6 m from runway end
3. 1 m from runway end
4. 15 m from runway end

27. Airport elevation is the reduced level above Mean Sea level of

1. control tower
2. highest point of the landing area
3. lowest point of the landing area
4. none of these

28. Beaufort Scale is used to determine

1. Strength of winds
2. Direction of winds
3. Height of aircrafts
4. None of these

29. Wind rose diagram is used for the purpose of deciding

1. runway orientation
2. runway capacity
3. runway cross-section
4. location of taxiways

30. The basic runway length should be increased at the rate of X percent per Y m rise in elevation above mean sea level, where

1. X= 7; Y = 300
2. X= 6, Y = 200
3. X= 6; Y = 300
4. X= 7; Y = 200