The best direction of a runway is along the direction of
Longest line on wind rose diagram
Shortest line on the wind rose diagram
Line clear of wind rose diagram
None of these
Correct Answer :
A. Longest line on wind rose diagram
Related Questions
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 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
The slope of the obstruction clearance line from the boundary of the heliport should be
1 : 2
1 : 5
1 : 8
1 : 40
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 Codes:
1, 2, 3 and 4
1, 3 and 4
2 and 3
1, 2 and 4
For supersonic transport aircraft, the minimum turning radius of taxiway is
60 m
120 m
180 m
240 m
The meteorological condition which influences the size and location of an air port is
Atmosphere pressure
Air density
Reduced level
All the above
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)
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
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)
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
The height of the pilot's eye above the runway surface is assumed
1 m
3 m
4 m
5 m
The distance between main gears is 10 m, and the distance of nose gear from centre of main gears is 30 m. If the angle of turning is 60°, the distance of centre of rotation from the nearer main gear, is
12.30 m
11.30 m
10.30 m
9.30 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 proposed air port, the survey project provides
Master plan
Topographic plan
Grading plan
All the above
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
15 m from runway end
The length of clear zone for none instrument runway of a small aircraft is
150 m
300 m
600 m
750 m
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 is true and R is the correct explanation of A
Both A and R is true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
Pick up the correct statement from the following:
The basic length of a runway is increased at a rate of 7% per 300 m of elevation of M.S.L.
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
The aerodrome reference temperature is the monthly mean of the mean daily temperature for the hottest month of the year
All the above
The minimum width of clearway is
50 m
100 m
150 m
250 m
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.
Total correction for elevation, temperature and gradient for a runway should not be more than
15 %
20 %
25 %
35 %
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
If the width of the approach area near the runway end is 150 m, the width of the approach area at a distance of 3 kilometres from runway end will be
1500 m
1200 m
1000 m
800 m
The fuse large includes
Passengers chamber
Pilot's cabin
Tail of aircraft
All the above
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
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
If lift off distance of an craft is 2000 m, the clear way at the end of the runway should not be less than
145 m
152.5 m
162.5 m
172.5 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
Pick up the incorrect statement from the following:
In single engine aeroplanes, the engine is provided in the nose of the aircraft
In double engine aeroplanes, one engine on either wing is placed symmetrically
In three engine aeroplanes, two engines are placed on both wings and one engine is placed in the tail
None of these
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
3130 m