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
Correct Answer :
B. 6 m from runway end
Related Questions
The bearing of the longest line of a wind rose is S 45° E, the bearing of the runway will be numbered
135°
31
13
Both (c) and (d)
The runway orientation is made so that landing and takeoff are
Against the wind direction
Along the wind direction
Perpendicular to wind direction
None of these
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 maximum length and pavement strength of the runway is that of
A 1
B 2
B 3
G 7
The bearing of the runway at threshold is 290°, the runway number is
N 70° W
290°
29°
W 20° N
According to I.C.A.O. the recommended length of air ports is decided on
Sea level elevation
Standard sea level temperature (15°C)
Effective gradient percentage
All the above
Which of the following is an example of failure in flexible pavements?
Alligator cracking
Mud pumping
Warping cracks
Shrinkage cracks
The reduced levels of the ends A and B of a runway are 3025 m and 3035 m and that of its mid-point is 3015 m. The reduced level of the horizontal surface, is
3070 m
3060 m
3075 m
3015 m
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
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
Total correction for elevation, temperature and gradient for a runway should not be more than
15 %
20 %
25 %
35 %
Beaufort scale is used to determine
Strength of winds
Direction of winds
Height of air-crafts
None of these
The thickness design of the pavement, is decided on the load carried by
Main gears
Nose wheel
Tail wheel
All the above
As per ICAO recommendation, minimum width of safety area for instrumental runway should be
78 m
150 m
300 m
450 m
Which of the following is used for servicing and repairs of the aircraft?
Apron
Hanger
Terminal building
Holding apron
The length of runway is increased per 300 m rise above M.S.L.
3 %
4 %
5 %
7 %
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
775 knots
75 knots
850 knots
675 knots
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
The fuse large includes
Passengers chamber
Pilot's cabin
Tail of aircraft
All the above
As per ICAO, for airports serving big aircrafts, the crosswind component should not exceed
15 kmph
25 kmph
35 kmph
45 kmph
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 maximum value of the angle of turning of the nose gear large jet aircrafts, is limited to
20°
30°
45°
60°
Speed of
Sound at 0°C is 1190 kmph
Sound varies 2.4 kmph per degree centigrade rise in temperature
Sound at 0°C is called one Mach
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
According to I.C.A.O. the slope of transitional surface at right angles to the centre line of runway, is kept
1 in 4
1 in 5
1 in 6
1 in 7
An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known as
Subsonic
Sonic
Super-sonic
Mach
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
Two single runways may be arranged so as to have
L-shape
T-shape
X-shape
All the above
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 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