1000+ Airport Engineering Multiple Choice Question Answer [Solved]

1. Which of the following is used for servicing and repairs of the aircraft?
A. Apron
B. Hanger
C. Terminal building
D. Holding apron
Answer : B

2. 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

3. The depressions and undulations in the pavement, are caused due to
A. Improper compaction of sub-grade
B. Impact of heavy wheel loads
C. Punching effect
D. All the above
Answer : D

4. 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
Answer : B

5. 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

6. The reduced level of the proposed site of an air port is 2500 m above M.S.L. If the recommended length by I.C.A.O. for the runway at sea level is 2500 m, the required length of the runway is
A. 2500 m
B. 3725 m
C. 3000 m
D. 3250 m
Answer : B

7. For night landing, the thresholds are lighted
A. Green
B. Red
C. White
D. Yellow
Answer : A

8. 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

9. As per ICAO, the minimum basic runway length for A and E type of airport will be
A. 1500 m and 600 m
B. 2100 m and 750 m
C. 1500 m and 750 m
D. 2100 m and 600 m
Answer : D

10. The cruising speed of the aircraft is 500 kmph. If there is a head wind of 50 kmph, then the air speed and ground speed of the aircraft respectively will be
A. 450 kmph and 500 kmph
B. 500 kmph and 450 kmph
C. 450 kmph and 450 kmph
D. 500 kmph and 500 kmph
Answer : A

11. The runway orientation is made so that landing and takeoff are
A. Against the wind direction
B. Along the wind direction
C. Perpendicular to wind direction
D. None of these
Answer : A

12. For the proposed air port, the survey project provides
A. Master plan
B. Topographic plan
C. Grading plan
D. All the above
Answer : D

13. Effective length of a runway is the distance between
A. Ends of the runway
B. Point of intersection of the obstruction clearance line and the extended plane of the runway surface, and the other end of the runway
C. Point of intersection of the glide path and the extended plane of the runway surface and the other end of the runway
D. Ends of the clear way on either side
Answer : B

14. 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

15. Pick up the correct statement from the following:
A. Air screw converts the energy given by the engine into speed
B. The propellers which are driven by turbine engines, are technically called turboprops
C. The aircrafts which obtain the thrust directly from turbine engine, are called turbo-jets
D. All the above
Answer : D

16. Assertion A: The width of a taxiway is smaller than the runway width. Reason R: The speed of the aircraft on a taxiway is greater than that on runway. Select your answer based on 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 explanation of A
C. A is true but R is false
D. A is false but R is true
Answer : C

17. 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

18. For supersonic transport aircraft, the minimum turning radius of taxiway is
A. 60 m
B. 120 m
C. 180 m
D. 240 m
Answer : C

19. Beaufort scale is used to determine
A. Strength of winds
B. Direction of winds
C. Height of air-crafts
D. None of these
Answer : A

20. The best direction of a runway is along the direction of
A. Longest line on wind rose diagram
B. Shortest line on the wind rose diagram
C. Line clear of wind rose diagram
D. None of these
Answer : A

21. 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

22. 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

23. 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

24. According to I.C.A.O. the slope of transitional surface at right angles to the centre line of runway, is kept
A. 1 in 4
B. 1 in 5
C. 1 in 6
D. 1 in 7
Answer : D

25. From the end of an instrumental runway, the approach surface rises outwards
A. 1 in 20
B. 1 in 30
C. 1 in 40
D. 1 in 50
Answer : D

26. The air is blowing at a speed of 75 knots in the direction of the aircraft flying at a ground speed of 775 knots. The air speed of the aircraft, is
A. 775 knots
B. 75 knots
C. 850 knots
D. 675 knots
Answer : D

27. 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

28. 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

29. Total correction for elevation, temperature and gradient for a runway should not be more than
A. 15 %
B. 20 %
C. 25 %
D. 35 %
Answer : D

30. Runway threshold is indicated by a series of parallel lines starting from a distance of
A. 3 m from runway end
B. 6 m from runway end
C. 10 m from runway end
D. 15 m from runway end
Answer : B

31. 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
Answer : C

32. 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

33. Pick up the correct statement from the following:
A. Landing speed is directly proportional to the wing loading
B. Wing loading remaining constant, the take off distance is directly proportional to the powder loading
C. Neither (a) nor (b)
D. Both (a) and (b)
Answer : D

34. 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

35. 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

36. Which of the following is an example of failure in flexible pavements?
A. Alligator cracking
B. Mud pumping
C. Warping cracks
D. Shrinkage cracks
Answer : A

37. 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

38. 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

39. 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

40. 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

41. 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
Answer : A

42. 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 %
Answer : B

43. Pick up the incorrect statement from the following:
A. L.O.M. is installed at 7.2 km from the threshold
B. L.M.M. is installed at 1.0 km from the threshold
C. Localizer antenna is installed at 300 m from the other end of the runway
D. Glide slope antenna is installed at the centre of the runway about 150 m on one side
Answer : D

44. 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
Answer : C

45. 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

46. 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

47. The maximum length and pavement strength of the runway is that of
A. A 1
B. B 2
C. B 3
D. G 7
Answer : A

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

49. 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

50. 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 explanation of A
C. A is true but R is false
D. A is false but R is true
Answer : A