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
Correct Answer :
D. 1, 2 and 4
Related Questions
Beaufort scale is used to determine
Strength of winds
Direction of winds
Height of air-crafts
None of these
To cope up high temperature of 196°C, the taxi ways and aprons are constructed with
Asphaltic concrete
Rubberised tar concrete
Plain concrete
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
Consider the following statements: Wind rose diagram is used for the purposes of
1. Runway orientation
2. Estimating the runway capacity
3. 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 minimum width of clearway is
50 m
100 m
150 m
250 m
Pick up the correct statement from the following:
The distance between the points of intersection of the extreme tangents to the transition curve is kept greater than 7500 m × sum of grade changes at the point of intersection
The rate of change of grade is limited to 0.3% per 30 m length of the curve
According to I.C.A.O. the maximum longitudinal gradient along a runway is limited to 1.5%
All the above
The depressions and undulations in the pavement, are caused due to
Improper compaction of sub-grade
Impact of heavy wheel loads
Punching effect
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
Pick up the incorrect statement from the following:
Channelization of pavement is caused by constant use of tri-cycle gears of aircraft
Blast pads are used over cohesionless soils to resist erosion due to tremendous speed of the jet blast
Over-run areas of at least 300 m length on either side of the runway are provided
None of these
The maximum value of the angle of turning of the nose gear large jet aircrafts, is limited to
20°
30°
45°
60°
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
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)
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
According to the International Civil Aviation Organisation (I.C.A.O.), the runway lengths of aerodromes, have been coded by
Seven English alphabets
Last Seven English alphabets
First Seven English alphabets
First seven natural numbers
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
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
The thickness design of the pavement, is decided on the load carried by
Main gears
Nose wheel
Tail wheel
All the above
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
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
Pick up the correct statement from the following:
Approximate geometric centre of the landing area, is called air port reference point
The boundaries of horizontal surface and conical surface are marked with reference to air port reference point
The location of the air port on a map is the position of air port reference point
All the above
For the proposed runway stated in if the aerodrome reference temperature is 17°.2, the net designed length of the runway is
2716 m
2816 m
2916 m
3016 m
The height of the pilot's eye above the runway surface is assumed
1 m
3 m
4 m
5 m
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
The slope of the transitional surface for A, B and C type of runway shall be
1 : 5
1 : 7
1 : 10
1 : 12
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
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
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 maximum length and pavement strength of the runway is that of
A 1
B 2
B 3
G 7
As per ICAO recommendation, minimum width of safety area for instrumental runway should be
78 m
150 m
300 m
450 m