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Q1. | Calm period is the percentage of time during which wind intensity is less than |

A. | 4.8 kmph [Wrong Answer] |

B. | 6.4 kmph [Correct Answer] |

C. | 8.0 kmph [Wrong Answer] |

D. | 9.6 kmph [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ 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

⇒ 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.

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

60 m

120 m

180 m

240 m

⇒ 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

⇒ 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

⇒ As per ICAO recommendation, minimum width of safety area for instrumental runway should be

78 m

150 m

300 m

450 m

⇒ 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

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

Apron

Hanger

Terminal building

holding apron

⇒ 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

⇒ 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

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

1:2

1:5

1:8

1:40

⇒ 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

⇒ 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

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

Alligator cracking

Mud pumping

Warping cracks

Shrinkage cracks

⇒ The minimum width of clearway is

50 m

100 m

150 m

250 m

⇒ 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

⇒ 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

⇒ 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

⇒ 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

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

15 kmph

25 kmph

35 kmph

45 kmph

⇒ 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

⇒ 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

⇒ 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

⇒ 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%

⇒ 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

⇒ According to ICAO, all markings on the runways are

Yellow

White

Black

Red

⇒ 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

⇒ 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%

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

150 m

300 m

600 m

750 m

⇒ 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%