Beaufort scale is used to determine
Strength of winds
Direction of winds
Height of air-crafts
None of these
Correct Answer :
A. Strength of winds
Related Questions
Pick up the correct statement from the following:
F.I.R. stands for flight information regions
Radius of control area is 160 km
Radius of control zone is 40 km
All the above
Pick up the correct statement from the following:
The speed of the aircraft relative to the ground, is called cruising speed
The speed of the aircraft relative to wind, is called air speed
When wind is blowing the direction of the flight, air speed is less than cruising speed
All the above
Pick up the correct statement from the following:
Air screw converts the energy given by the engine into speed
The propellers which are driven by turbine engines, are technically called turboprops
The aircrafts which obtain the thrust directly from turbine engine, are called turbo-jets
All the above
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
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
Wing loading of an aircraft is
Load of the wings
Gross total weight of the aircraft/ load of the wings
Gross total weight of the aircraft/ wing area
Gross total weight of the aircraft/total available H.P of engines
The height of the pilot's eye above the runway surface is assumed
1 m
3 m
4 m
5 m
As per ICAO, for airports serving big aircrafts, the crosswind component should not exceed
15 kmph
25 kmph
35 kmph
45 kmph
According to the International Civil Aviation Organisation (I.C.A.O.) the strength of runway pavements, have been coded by
Seven English alphabets
Last Seven English alphabets
First Seven English alphabets
First seven numbers
For Class A Air port the difference of reduced levels of higher and lower edges of the conical surface, is
25 m
50 m
75 m
100 m
Pick up the correct abbreviation from the following:
L.M.M. (low powered middle marker)
V.H.F, (very high frequency)
L.O.M. (low powered outer marker)
All the above
The size of landing area for multi engine helicopters operating under 1 FR conditions is
22.5 m × 22.5 m
30 m × 30 m
22.5 m × 30 m
60 m × 120 m
The threshold markings are
4 m wide
1 m clear space between adjacent
Placed symmetrically on either side of the runway centre line
All the above
According to ICAO, all markings on the runways are
Yellow
White
Black
Red
Conical surface of the approach area rises outwards
1 in 10
1 in 15
1 in 20
1 in 25
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
The fuse large includes
Passengers chamber
Pilot's cabin
Tail of aircraft
All the above
Pick up the correct statement from the following:
Approach zone survey is carried out to determine the elevations of the protruding obstructions above horizontal, conical and transitional surfaces
The wind data of an air port is depicted in the form of a chart known as wind rose
The landing and takeoff of the air craft is made against the wind direction
All the above
Which of the following is an example of failure in flexible pavements?
Alligator cracking
Mud pumping
Warping cracks
Shrinkage cracks
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 metres, the length of the transition curve, is
150 m
140 m
160 m
175 m
As per ICAO recommendation, minimum width of safety area for instrumental runway should be
78 m
150 m
300 m
450 m
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:
Both A and R is true and R is the correct explanation of A
Both A and R is true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
For the taxiways, the following statement is true
The maximum longitudinal grade is 3%
The permissible rate of change of grade is 1%
The permissible transverse grade is 1.5%
All the above
Pick up the correct statement from the following:
Landing speed is directly proportional to the wing loading
Wing loading remaining constant, the take off distance is directly proportional to the powder loading
Neither (a) nor (b)
Both (a) and (b)
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
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
2500 m
3725 m
3000 m
3250 m
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
2360 m
2460 m
2560 m
2660 m
Pick up the correct statement from the following:
The centre line of the approach area coincides with that of the runway
Approach areas are measured in horizontal surfaces
Obstruction clearance surface and approach surface are same
All the above
From the end of an instrumental runway, the approach surface rises outwards
1 in 20
1 in 30
1 in 40
1 in 50
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
(6500, 6000)
(5800, 5200)
(61500, 5600)
(8000, 7000)