Airport Engineering MCQ Questions and Answers in Civil Engineering

Question. 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

Question. 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

Question. 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

Question. 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

Question. 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

Question. International Civil Aviation Organization I.C.A.O. was set up at Montreal (Canada), in
(a) 1929
(b) 1939
(c) 1947
(d) 1950

Answer : C

Question. 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

Question. 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

Question. 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 : B

Question. 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

Question. Pick up the correct statement from the following:
(a) Tar concrete pavements are suitable if fuel spillage occurs
(b) Rubberized tar concrete hot blast as well as spillage
(c) Epoxy asphalt concrete sets in very small time
(d) All the above

Answer : D

Question. 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

Question. Pick up the correct statement from the following:
(a) Approach zone survey is carried out to determine the elevations of the protruding obstructions above horizontal, conical and transitional surfaces
(b) The wind data of an air port is depicted in the form of a chart known as wind rose
(c) The landing and takeoff of the air craft is made against the wind direction
(d) All the above

Answer : D

Question. 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 po wder loading
(c) Neither (A) nor (B)
(d) Both (A) and (B)

Answer : D

Question. 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

Question. Pick up the correct statement from the following:
(a) Runway edge from the landing side, is called threshold
(b) Localizer indicates to the pilot his position with respect to the proposed alignment
(c) The glide slope indicates the correct angle of descent
(d) All the above

Answer : D

Question. 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

Question. 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

Question. 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

Question. 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 : A

Question. Pick up the correct statement from the following:
(a) The basic length of a runway is increased at a rate of 7% per 300 m of elevation of M.S.L.
(b) The standard temperature at the site is obtained by reducing the standard sea level temperature of 15°C at the rate of 6.5°C per 1000 m rise in elevation
(c) The aerodrome reference temperature is the monthly mean of the mean daily temperature for the hottest month of the year
(d) All the above

Answer : D

Question. 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 cohesion-less 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

Question. According to ICAO, all markings on the runways are
(a) Yellow
(b) White
(c) Black
(d) Red

Answer : B

Question. Pick up the correct statement from the following:
(a) The distance between the points of intersection of the extreme tangents to the transition curve is kept greater than 7500 m × sum of grade changes at the point of intersection
(b) The rate of change of grade is limited to 0.3% per 30 m length of the curve
(c) According to I.C.A.O. the maximum longitudinal gradient along a runway is limited to 1.5%
(d) All the above

Answer : D

Question. Pick up the correct statement from the following:
(a) F.I.R. stands for flight information regions
(b) Radius of control area is 160 km
(c) Radius of control zone is 40 km
(d) All the above

Answer : D

Question. 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 : A

Question. 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

Question. 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
(a) 1, 2, 3 and 4
(b) 1, 3 and 4
(c) 2 and 3
(d) 1, 2 and 4

Answer : D

Question. Pick up the correct statement from the following:
(a) Minimum turning radius of aircrafts decides the size of the apron and the radius of the curves at taxi-ends
(b) Take off and landing distances for an aircraft, determine the minimum runway length
(c) The length of the normal haul of the air craft decides the frequency of operation
(d) All the above

Answer : D

Question. 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

Question. 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

Question. 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 : D

Question. 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 : A

Question. 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

Question. 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

Question. 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 : C

Question. 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

Question. For night landing, the thresholds are lighted
(a) Green
(b) Red
(c) White
(d) Yellow

Answer : A

Question. 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

Question. 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

Question. 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

Question. 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

Question. 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

Question. 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 : C

Question. 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 : B

Question. 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

Question. 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 : B

Question. 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

Question. 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

Question. 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 : D

Question. 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

Question. 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

Question. 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

Question. Pick up the component not applicable to aeroplanes
(a) Wings
(b) Engines
(c) Air screw
(d) None of these

Answer : D

Question. 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

Question. Castor angle is defined as the angle
(a) Fored 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 : A

Question. 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 : D

Question. 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

Question. 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

Question. For the proposed air port, the survey project provides
(a) Master plan
(b) Topographic plan
(c) Grading plan
(d) All the above

Answer : D

Question. 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) 315°
(c) 13
(d) 31
E. Both (C) and (D)

Answer : D

Question. 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

Question. 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

Question. 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 : B

Question. 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

Question. 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

Question. 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

Question. 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

Question. 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 : C

Question. 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 : D

Question. 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 : A

Question. 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

Question. 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

Question. 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

Question. Consider the following statements regarding ICAO recommendation for correction to basic runway length of these statements
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.
(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

Question. 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

Question. 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

Question. The strength of winds is measured with the help of
(a) Beaufort scale
(b) Wind indicator
(c) Barometers
(d) None of these

Answer : A

Question. 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

Question. 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 : D