Aviation MCQ Questions and Answers Pdf
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1. In instrument landing system
A. L.O.M. and L.M.M. are installed on one side and Localizer antenna on the other side
B. L.O.M. and Localizer are installed on one side and L.M.M. on the other side
C. Localizer and L.M.M. are installed on one side and L.O.M. on the other side
D. None of these
Answer: Option A
2. The width and interval of transverse centre line bars along the extended centre line of runway, in approach lighting system are
A. 3 m and 30 m
B. 4.2 m and 30 m
C. 4.2 m and 50 m
D. 3 m and 45 m
Answer: Option B
3. 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: Option A
4. 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: Option C
5. According to the International Civil Aviation Organization (I.C.A.O.), the runway lengths of aerodromes, have been coded by
A. Seven English alphabets
B. Last Seven English alphabets
C. First Seven English alphabets
D. First seven natural numbers
Answer: Option C
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6. 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: Option D
7. 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: Option C
8. 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: Option C
9. The main disadvantage of angle nose out parking configuration of aircraft is that the
A. Aircraft rear loading door is far away from terminal building
B. Hot blast is directed towards the terminal building
C. Overall apron area required is more
D. All the above
Answer: Option B
10. 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: Option C
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11. Zero fuel weight of an aircraft is:
A. Equal to empty operating weight
B. Equal to maximum landing weight
C. Less than empty operating weight
D. Equal to sum of empty operating weight and the maximum pay load
Answer: Option D
12. For night landing, the thresholds are lighted
A. Green
B. Red
C. White
D. Yellow
Answer: Option A
13. 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: Option D
14. 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: Option C
15. Total correction for elevation, temperature and gradient for a runway should not be more than
A. 15 %
B. 20 %
C. 25 %
D. 35 %
Answer: Option D
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16. 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: Option B
17. 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: Option D
18. 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: Option D
19. 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: Option D
20. 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: Option C
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21. 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: Option D
22. 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: Option C
23. Castor angle is defined as the angle
A. Formed by the longitudinal axis of the aircraft and the direction of movement of the nose gear
B. Between the direction of wind and the longitudinal axis of the runway
C. Between the true speed of the aircraft and the crosswind component
D. Between the horizontal and the fuselage axis
Answer: Option A
24. 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: Option C
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25. 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: Option C
26. For the proposed air port, the survey project provides
A. Master plan
B. Topographic plan
C. Grading plan
D. All the above
Answer: Option D
27. The strength of winds is measured with the help of
A. Beaufort scale
B. Wind indicator
C. Barometers
D. None of these
Answer: Option A
28. 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: Option A
29. 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: Option D
30. For supersonic transport aircraft, the minimum turning radius of taxiway is
A. 60 m
B. 120 m
C. 180 m
D. 240 m
Answer: Option C
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31. A gradient of + 0.08% is followed by a gradient of - 0.07%. If the permissible rate of change of grade is 0.003 per 30 meters, the length of the transition curve, is
A. 150 m
B. 140 m
C. 160 m
D. 175 m
Answer: Option A
32. 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: Option B
33. 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: Option C
34. 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: Option A
35. 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: Option D
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36. The length of runway under standard conditions is 2000 m. The elevation of airport site is 300 m. Its reference temperature is 33.05°C. If the runway is to be constructed with an effective gradient of 0.25 percent, the corrected runway length will be
A. 2500 m
B. 2600 m
C. 2700 m
D. 2800 m
Answer: Option C
37. 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: Option A
38. 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: Option B
39. The threshold markings are
A. 4 m wide
B. 1 m clear space between adjacent
C. Placed symmetrically on either side of the runway centre line
D. All the above
Answer: Option D
40. If the monthly mean of average daily temperature for the hottest month of the year is 25°C and the monthly mean of the maximum daily temperature of the same month of the year is 46°C, the airport reference temperature is
A. 32°C
B. 35.5°C
C. 48°C
D. 25°C
Answer: Option A
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41. An airport has 4 gates. If the weighted average gate occupancy time is 30 minutes and gate utilization 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: Option C
42. Which of the following is used for servicing and repairs of the aircraft?
A. Apron
B. Hanger
C. Terminal building
D. Holding apron
Answer: Option B
43. 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: Option D
44. 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: Option A
45. According to ICAO, all markings on the runways are
A. Yellow
B. White
C. Black
D. Red
Answer: Option B
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46. 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: Option D
47. The size of landing area for multi engine helicopters operating under 1 FR conditions is
A. 22.5 m × 22.5 m
B. 30 m × 30 m
C. 22.5 m × 30 m
D. 60 m × 120 m
Answer: Option D
48. Pick up the component not applicable to aeroplanes
A. Wings
B. Engines
C. Air screw
D. None of these
Answer: Option D
49. Airport elevation is the reduced level above M.S.L. of
A. Control tower
B. Highest point of the landing area
C. Lowest point of the landing area
D. None of these
Answer: Option B
50. 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: Option B
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51. The engine failure case for determining the basic runway length may require
A. Only clearway
B. Only stop way
C. Either a clearway or a stop-way
D. Either a clearway or a stop-way or both
Answer: Option D
52. In approach areas of runways equipped with instrumental landing facilities any object within 4.5 km distance from runway end shall be considered as an obstruction if its height is more than
A. 20 m
B. 30 m
C. 45 m
D. 51 m
Answer: Option B
53. 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: Option D
54. 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: Option B
55. According to the International Civil Aviation Organization (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: Option D
56. 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: Option A
57. Two single runways may be arranged so as to have
A. L-shape
B. T-shape
C. X-shape
D. All the above
Answer: Option D
58. 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: Option B
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