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
Correct Answer :
D. All the above
Related Questions
The minimum width of clearway is
50 m
100 m
150 m
250 m
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
The fuse large includes
Passengers chamber
Pilot's cabin
Tail of aircraft
All the above
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
Two single runways may be arranged so as to have
L-shape
T-shape
X-shape
All the above
Which of the following is an example of failure in flexible pavements?
Alligator cracking
Mud pumping
Warping cracks
Shrinkage cracks
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
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 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 engine failure case for determining the basic runway length may require
Only clearway
Only stop way
Either a clearway or a stop-way
Either a clearway or a stop-way or both
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
As per ICAO, for airports serving big aircrafts, the crosswind component should not exceed
15 kmph
25 kmph
35 kmph
45 kmph
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 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 meteorological condition which influences the size and location of an air port is
Atmosphere pressure
Air density
Reduced level
All the above
The slope of the obstruction clearance line from the boundary of the heliport should be
1 : 2
1 : 5
1 : 8
1 : 40
The maximum length and pavement strength of the runway is that of
A 1
B 2
B 3
G 7
In instrument landing system
L.O.M. and L.M.M. are installed on one side and Localizer antenna on the other side
L.O.M. and Localizer are installed on one side and L.M.M. on the other side
Localizer and L.M.M. are installed on one side and L.O.M. on the other side
None of these
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
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
The length of clear zone for none instrument runway of a small aircraft is
150 m
300 m
600 m
750 m
Which of the following is used for servicing and repairs of the aircraft?
Apron
Hanger
Terminal building
Holding apron
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
Pick up the incorrect statement from the following:
L.O.M. is installed at 7.2 km from the threshold
L.M.M. is installed at 1.0 km from the threshold
Localizer antenna is installed at 300 m from the other end of the runway
Glide slope antenna is installed at the centre of the runway about 150 m on one side
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
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
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
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
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 thickness design of the pavement, is decided on the load carried by
Main gears
Nose wheel
Tail wheel
All the above