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
Correct Answer :
C. A is true but R is false
Related Questions
The meteorological condition which influences the size and location of an air port is
Atmosphere pressure
Air density
Reduced level
All the above
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
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
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 maximum length and pavement strength of the runway is that of
A 1
B 2
B 3
G 7
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
As per UK design criteria, if LCN of aircraft is between 1.25 to 1.5 times the LCN of pavement, then the number of movements allowed are
Zero
300
3000
Unrestricted
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
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
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
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 thickness design of the pavement, is decided on the load carried by
Main gears
Nose wheel
Tail wheel
All the above
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
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 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)
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
Two single runways may be arranged so as to have
L-shape
T-shape
X-shape
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
The fuse large includes
Passengers chamber
Pilot's cabin
Tail of aircraft
All the above
Total correction for elevation, temperature and gradient for a runway should not be more than
15 %
20 %
25 %
35 %
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
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 landing and takeoff of the air craft is made against the direction of wind. In no case the centre line of the runway should make an angle with the wind direction exceeding
10°
20°
30°
40°
Pick up the component not applicable to aeroplanes
Wings
Engines
Air screw
None of these
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
The length of clear zone for none instrument runway of a small aircraft is
150 m
300 m
600 m
750 m
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
Pick up the correct statement from the following:
Tar concrete pavements are suitable if fuel spillage occurs
Rubberised tar concrete hot blast as well as spillage
Epoxy asphalt concrete sets in very small time
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
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