Latest Airport Engineering Objective Questions

1.The engine failure case for determining the basic runway length may require

only clearway
only stop way ,
either a clearway or a stopway
either a clearway or a stopway or both

ANSWER : : either a clearway or a stopway or both

2.As per ICAO, the minimum basic runway length for A and E type of airport will be

1500 m and 600 m
2100 m and 750 m
1500 m and 750 m
2100 m and 600 m

ANSWER : : 2100 m and 600 m

3.Consider the following statements regarding iCAO recommendation for correction to basic runway length  

The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level.

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.

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

1 and 2 are correct
2 and 3 are correct
1 and 3 are correct
1,2 and 3 are correct

ANSWER : : 1 and 2 are correct

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

3 m from runway end
6 m from runway end
10 m from runway end
15m from runway end

ANSWER : : 6 m from runway end

5.The size of landing area for multiengined helicopters operating under 1FR conditions is

22.5 m x 22.5 m
30 m x 30 m
22.5 m x 30 m
60 mx 120 m

ANSWER : : 60 mx 120 m

6.The centre to centre spacing of heliport lighting along the periphery of landing and take off area should be

2.5 m
5.0 m
7.5 m
10.0 m

ANSWER : : 7.5 m

7.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

2500 m
2600 m
2700 m
2800 m

ANSWER : : 2700 m

8.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:

Both A and R are true and R is the correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false.
A is false but R is true.

ANSWER : : Both A and R are true and R is the correct explanation of A

9.Calm period is the percentage of time during which wind intensity is less than

4.8 kmph
6.4 kmph
8.0 kmph
9.6 kmph

ANSWER : : 6.4 kmph

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

450 kmph and 500 kmph
500 kmph and 450 kmph
450 kmph and 450 kmph
500 kmph and 500 kmph

ANSWER : : 450 kmph and 500 kmph

11.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

1 aircraft per hour
2 aircrafts per hour
4 aircrafts per hour
16 aircrafts per hour

ANSWER : : 4 aircrafts per hour

12.As per ICAO, for A, B, and C type of airports, maximum effective, transverse and longitudinal grades in percentage respectively are

1.0, 1.5 and 1.5
1.0, 1.5 and 2.0
1.5, 1.5 and 2.0
2.0, 2.0 and 2.0

ANSWER : : 1.0, 1.5 and 1.5

13.The slope of the obstruction clearance line from the boundary of the heliport should be

1:2
1:5
1:8
1:40

ANSWER : : 1:8

14.In Intrumental landing system, the middle markers are located

along the extended centre line of runway end
about 1 km. ahead of the runway threshold
at the runway threshold
about 7 km. ahead of the runway threshold

ANSWER : : about 1 km. ahead of the runway threshold

15.The width and interval of transverse centre line bars along the extended centre line of runway, in approach lighting system are

3 m and 30 m
4.2 m and 30 m
4.2 m and 50 m
3 m and 45 m

ANSWER : : 4.2 m and 30 m

16.For determining the basic runway.length, the landing case requires that aircraft should come to a stop within p % of the landing distance. The value of p is

40 %
50%
60%
75%

ANSWER : : 60%

17.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

32 C
35.5 C
48 C
25 C

ANSWER : : 48 C

18.The capacity of parallel runway pattern depends upon

weather conditions and navigational aids available
lateral spacing between two runways and weather conditions
lateral spacing between two runways and navigational aids available
lateral spacing between two runways, weather conditions and navigational aids available.

19.The minimum width of clearway is

50 m
100 m
150 m
250 m

ANSWER : : 50 m

20.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

0.1 %
0.2%
0.3 %
0.4%

ANSWER : : 0.4%

21.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.

0.10%
0.26%
0.43 %
0.65%

ANSWER : : 0.26%

22.As per ICAO, for airports serving big aircrafts, the crosswind component should not exceed

15 kmph
25 kmph
35 kmph
45 kmph

ANSWER : : 35 kmph

23.According to ICAO, all markings on the runways are

Yellow
White
Black
Red

ANSWER : : White

24.Zero fuel weight of an aircraft is:

equal to empty operating weight
equal to maximum landing weight
less than empty operating weight
equal to sum of empty operating weight and the maximum pay load.

ANSWER : : equal to sum of empty operating weight and the maximum pay load.

25.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

Zero
300
3000
Unrestricted

ANSWER : : 300

26.Which of the following is used for servicing and repairs of the aircraft ?

Apron
Hanger
Terminal building
holding apron

ANSWER : : Hanger

27.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

Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
A is false but R is true

ANSWER : : A is true but R is false

28.Maximum gross take-off weight of an aircraft is

equal to the maximum structural landing weight
less than the maximum structural landing weight
more than the maximum structural landing weight
equal to the empty operating weight plus the payload

ANSWER : : more than the maximum structural landing weight

29.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

32
36
44
68

ANSWER : : 36

30.Which of the following factors are taken into account for estimating the runway length required for aircraft landing? # Normal maximum temperature # Airport elevation # Maximum landing weight # Effective runway gradient Select the correct answer using the codes given below Codes:

1,2,3 and 4
1,3, and 4
2 and 3
1,2 and 4

ANSWER : : 1,2 and 4

31.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

2845 m
2910 m
3030 m
3130m

ANSWER : : 3030 m

32.The length of clear zone for none instrument runway of a small aircraft is

150 m
300 m
600 m
750 m

ANSWER : : 300 m

33.The main disadvantage of angle nose out parking configuration of aircraft is that the

aircraft rear loading door is far away from terminal building.
hot blast is directed towards the terminal building
overall apron area required is more
all the above

ANSWER : : hot blast is directed towards the terminal building

34.The slope of the transitional surface for A, B and C type of runway shall be

1:5
1:7
1:10
1:12

ANSWER : : 1:7

35.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

20 m
30 m
45 m
51 m

ANSWER : : 30 m

36.Which of the following is an example of failure in flexible pavements ?

Alligator cracking
Mud pumping
Warping cracks
Shrinkage cracks

ANSWER : : Alligator cracking

37.For supersonic transport aircraft, the minimum turning radius of taxiway is

60 m
120 m
180 m
240 m

ANSWER : : 180 m

38.Consider the following statements:

Wind rose diagram is used for the purposes of

runway orientation

estimating the runway capacity

geometric design of holding apron Of these statements

1 and 2 are correct
2 and 3 are correct
1 and 3 are correct
1 alone is correct

ANSWER : : 1 alone is correct

39.Castor angle is defined as the angle

formed by the longitudinal axis of the aircraft and the direction of movement of the nose gear
between the direction of wind and the longitudinal axis of the runway
between the true speed of the aircraft and the crosswind component
between the horizontal and the fuselage axis

ANSWER : : formed by the longitudinal axis of the aircraft and the direction of movement of the nose gear