1000+ Airport Engineering Multiple Choice Question Answer [Solved]

1. If lift off distance of an craft is 2000 m, the clear way at the end of the runway should not be less than
A. 145 m
B. 152.5 m
C. 162.5 m
D. 172.5 m
Answer : D

2. Pick up the correct statement from the following:
A. Approximate geometric centre of the landing area, is called air port reference point
B. The boundaries of horizontal surface and conical surface are marked with reference to air port reference point
C. The location of the air port on a map is the position of air port reference point
D. All the above
Answer : D

3. The centre to centre spacing of heliport lighting along the periphery of landing and takeoff area should be
A. 2.5 m
B. 5.0 m
C. 7.5 m
D. 10.0 m
Answer : C

4. Maximum gross takeoff weight of an aircraft is
A. Equal to the maximum structural landing weight
B. Less than the maximum structural landing weight
C. More than the maximum structural landing weight
D. Equal to the empty operating weight plus the payload
Answer : C

5. The maximum value of the angle of turning of the nose gear large jet aircrafts, is limited to
A. 20°
B. 30°
C. 45°
D. 60°
Answer : D

6. The height of the pilot's eye above the runway surface is assumed
A. 1 m
B. 3 m
C. 4 m
D. 5 m
Answer : B

7. For the proposed runway stated in if the aerodrome reference temperature is 17°.2, the net designed length of the runway is
A. 2716 m
B. 2816 m
C. 2916 m
D. 3016 m
Answer : B

8. Pick up the correct statement from the following:
A. Tar concrete pavements are suitable if fuel spillage occurs
B. Rubberised tar concrete hot blast as well as spillage
C. Epoxy asphalt concrete sets in very small time
D. All the above
Answer : D

9. The reduced levels of the ends A and B of a runway are 3025 m and 3035 m and that of its mid-point is 3015 m. The reduced level of the horizontal surface, is
A. 3070 m
B. 3060 m
C. 3075 m
D. 3015 m
Answer : C

10. The meteorological condition which influences the size and location of an air port is
A. Atmosphere pressure
B. Air density
C. Reduced level
D. All the above
Answer : D

11. The strength of winds is measured with the help of
A. Beaufort scale
B. Wind indicator
C. Barometers
D. None of these
Answer : A

12. The bearing of the runway at threshold is 290°, the runway number is
A. N 70° W
B. 290°
C. 29°
D. W 20° N
Answer : C

13. Two single runways may be arranged so as to have
A. L-shape
B. T-shape
C. X-shape
D. All the above
Answer : D

14. The slope of the obstruction clearance line from the boundary of the heliport should be
A. 1 : 2
B. 1 : 5
C. 1 : 8
D. 1 : 40
Answer : C

15. Wing loading of an aircraft is
A. Load of the wings
B. Gross total weight of the aircraft/ load of the wings
C. Gross total weight of the aircraft/ wing area
D. Gross total weight of the aircraft/total available H.P of engines
Answer : C

16. Pick up the incorrect statement from the following:
A. In single engine aeroplanes, the engine is provided in the nose of the aircraft
B. In double engine aeroplanes, one engine on either wing is placed symmetrically
C. In three engine aeroplanes, two engines are placed on both wings and one engine is placed in the tail
D. None of these
Answer : C

17. According to ICAO, all markings on the runways are
A. Yellow
B. White
C. Black
D. Red
Answer : B

18. Pick up the correct statement from the following:
A. The speed of the aircraft relative to the ground, is called cruising speed
B. The speed of the aircraft relative to wind, is called air speed
C. When wind is blowing the direction of the flight, air speed is less than cruising speed
D. All the above
Answer : D

19. Conical surface of the approach area rises outwards
A. 1 in 10
B. 1 in 15
C. 1 in 20
D. 1 in 25
Answer : C

20. To cope up high temperature of 196°C, the taxi ways and aprons are constructed with
A. Asphaltic concrete
B. Rubberised tar concrete
C. Plain concrete
D. All the above
Answer : D

21. The slope of the transitional surface for A, B and C type of runway shall be
A. 1 : 5
B. 1 : 7
C. 1 : 10
D. 1 : 12
Answer : B

22. The length of a runway under standard atmospheric conditions is 1800 m. If the actual reduced level of the site is 1200 m, the design length of the runway is
A. 2360 m
B. 2460 m
C. 2560 m
D. 2660 m
Answer : C

23. Pick up the incorrect statement from the following:
A. Channelization of pavement is caused by constant use of tri-cycle gears of aircraft
B. Blast pads are used over cohesionless soils to resist erosion due to tremendous speed of the jet blast
C. Over-run areas of at least 300 m length on either side of the runway are provided
D. None of these
Answer : D

24. For Class A Air port the difference of reduced levels of higher and lower edges of the conical surface, is
A. 25 m
B. 50 m
C. 75 m
D. 100 m
Answer : D

25. 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:
A. 1, 2, 3 and 4
B. 1, 3 and 4
C. 2 and 3
D. 1, 2 and 4
Answer : D

26. Assertion A : The ratio of arriving and departing aircrafts influences the airport Capacity: Reason R : Landing operation is generally given priority over the taking off operation. Select your answer based on the coding system given below:
A. Both A and R is true and R is the correct explanation of A
B. Both A and R is true and R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer : A

27. The length of runway is increased per 300 m rise above M.S.L.
A. 3 %
B. 4 %
C. 5 %
D. 7 %
Answer : D

28. Consider the following statements: Wind rose diagram is used for the purposes of
1. Runway orientation
2. Estimating the runway capacity
3. Geometric design of holding apron of these statements
A. 1 and 2 are correct
B. 2 and 3 are correct
C. 1 and 3 are correct
D. 1 alone is correct
Answer : D

29. The distance between main gears is 10 m, and the distance of nose gear from centre of main gears is 30 m. If the angle of turning is 60°, the distance of centre of rotation from the nearer main gear, is
A. 12.30 m
B. 11.30 m
C. 10.30 m
D. 9.30 m
Answer : A

30. The landing and takeoff of the air craft is made against the direction of wind. In no case the centre line of the runway should make an angle with the wind direction exceeding
A. 10°
B. 20°
C. 30°
D. 40°
Answer : C

31. The fuse large includes
A. Passengers chamber
B. Pilot's cabin
C. Tail of aircraft
D. All the above
Answer : D

32. 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
A. 2845 m
B. 2910 m
C. 3030 m
D. 3130 m
Answer : C

33. According to I.C.A.O. the recommended length of air ports is decided on
A. Sea level elevation
B. Standard sea level temperature (15°C)
C. Effective gradient percentage
D. All the above
Answer : D

34. The thickness design of the pavement, is decided on the load carried by
A. Main gears
B. Nose wheel
C. Tail wheel
D. All the above
Answer : A

35. 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. 0.1 %
B. 0.2 %
C. 0.3 %
D. 0.4 %
Answer : A

36. Pick up the correct abbreviation from the following:
A. L.M.M. (low powered middle marker)
B. V.H.F, (very high frequency)
C. L.O.M. (low powered outer marker)
D. All the above
Answer : D

37. Speed of
A. Sound at 0°C is 1190 kmph
B. Sound varies 2.4 kmph per degree centigrade rise in temperature
C. Sound at 0°C is called one Mach
D. All the above
Answer : D

38. If the width of the approach area near the runway end is 150 m, the width of the approach area at a distance of 3 kilometres from runway end will be
A. 1500 m
B. 1200 m
C. 1000 m
D. 800 m
Answer : B

39. Pick up the correct statement from the following:
A. The centre line of the approach area coincides with that of the runway
B. Approach areas are measured in horizontal surfaces
C. Obstruction clearance surface and approach surface are same
D. All the above
Answer : D

40. According to the International Civil Aviation Organisation (I.C.A.O.) the strength of runway pavements, have been coded by
A. Seven English alphabets
B. Last Seven English alphabets
C. First Seven English alphabets
D. First seven numbers
Answer : D

41. Assertion A : Airport capacity during IFR conditions is usually less than that during VFR conditions. Reason R: During clear weather condition (VFR), the aircrafts on final approach to runway can be spaced closer during poor visibility conditions. Select your answer based on the coding system given below:
A. Both A and R is true and R is the correct explanation of A
B. Both A and R is true but R is not the correct explanaion of A
C. A is true but R is false
D. A is false but R is true
Answer : A

42. The bearing of the longest line of a wind rose is S 45° E, the bearing of the runway will be numbered
A. 135°
B. 31
C. 13
D. Both (c) and (d)
Answer : D

43. An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known as
A. Subsonic
B. Sonic
C. Super-sonic
D. Mach
Answer : B

44. The coordinates of the ends of a runway are (5000, 5000) and (8000, 7000). The co-ordinates of another runway are (4600, 5100) and (7000, 5300). The co-ordinates of the A.R.P. are
A. (6500, 6000)
B. (5800, 5200)
C. (61500, 5600)
D. (8000, 7000)
Answer : C

45. For the taxiways, the following statement is true
A. The maximum longitudinal grade is 3%
B. The permissible rate of change of grade is 1%
C. The permissible transverse grade is 1.5%
D. All the above
Answer : D

46. Consider the following statements regarding ICAO recommendation for correction to basic runway length
1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level.
2. The basic runway length after having been corrected for elevation should be further increased at the rate of 1 percent for every 1°C rise in airport reference temperature above the standard atmospheric temperature at that elevation.
3. The runway length after having been corrected for elevation and temperature should be further increased at the rate of 20% for every 1 percent of effective gradient. Of these statements
A. 1 and 2 are correct
B. 2 and 3 are correct
C. 1 and 3 are correct
D. 1, 2 and 3 are correct
Answer : A

47. According to I.C.A.O. all markings on the runways are painted white and on taxiways
A. Black
B. Red
C. Yellow
D. Green
Answer : C

48. The lift off distance is the distance along the centre of the runway between the starting point and
A. End of the runway
B. End of stop-way
C. Point where air craft becomes air borne
D. Point where air craft attains a height of 10.7 m
Answer : A

49. In Intrumental landing system, the middle markers are located
A. Along the extended centre line of runway end
B. About 1 km. ahead of the runway threshold
C. At the runway threshold
D. About 7 km. ahead of the runway threshold
Answer : B

50. 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
A. 32
B. 36
C. 44
D. 68
Answer : B