According to the International Civil Aviation Organization (I.C.A.O.) the strength of runway pavements, have been coded by
A. Seven English alphabets
B. Last Seven English alphabets
C. First Seven English alphabets
D. First seven numbers
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According to the International Civil Aviation Organization (I.C.A.O.), the runway lengths of aerodromes, have been coded by
A. Seven English alphabets
B. Last Seven English alphabets
C. First Seven English alphabets
D. First seven natural numbers
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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
A. 2500 m
B. 2600 m
C. 2700 m
D. 2800 m
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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
A. 2845 m
B. 2910 m
C. 3030 m
D. 3130 m
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Pick up the component not applicable to aeroplanes
A. Wings
B. Engines
C. Air screw
D. None of these
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From the end of an instrumental runway, the approach surface rises outwards
A. 1 in 20
B. 1 in 30
C. 1 in 40
D. 1 in 50
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If the monthly mean of average daily temperature for the hottest month of the year is 25°C and the monthly mean of the maximum daily temperature of the same month of the year is 46°C, the airport reference temperature is
A. 32°C
B. 35.5°C
C. 48°C
D. 25°C
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The main disadvantage of angle nose out parking configuration of aircraft is that the
A. Aircraft rear loading door is far away from terminal building
B. Hot blast is directed towards the terminal building
C. Overall apron area required is more
D. All the above
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As per ICAO recommendation, the rate of change of longitudinal gradient per 30 m length of vertical curve for A and B type of airports is limited to a maximum of
A. 0.1 %
B. 0.2 %
C. 0.3 %
D. 0.4 %
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According to I.C.A.O. all markings on the runways are painted white and on taxiways
A. Black
B. Red
C. Yellow
D. Green
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The thickness design of the pavement, is decided on the load carried by
A. Main gears
B. Nose wheel
C. Tail wheel
D. All the above
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Conical surface of the approach area rises outwards
A. 1 in 10
B. 1 in 15
C. 1 in 20
D. 1 in 25
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The slope of the obstruction clearance line from the boundary of the heliport should be
A. 1 : 2
B. 1 : 5
C. 1 : 8
D. 1 : 40
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The engine failure case for determining the basic runway length may require
A. Only clearway
B. Only stop way
C. Either a clearway or a stop-way
D. Either a clearway or a stop-way or both
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Which of the following is an example of failure in flexible pavements?
A. Alligator cracking
B. Mud pumping
C. Warping cracks
D. Shrinkage cracks
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As per ICAO, the minimum basic runway length for A and E type of airport will be
A. 1500 m and 600 m
B. 2100 m and 750 m
C. 1500 m and 750 m
D. 2100 m and 600 m
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Zero fuel weight of an aircraft is:
A. Equal to empty operating weight
B. Equal to maximum landing weight
C. Less than empty operating weight
D. Equal to sum of empty operating weight and the maximum pay load
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The slope of the transitional surface for A, B and C type of runway shall be
A. 1 : 5
B. 1 : 7
C. 1 : 10
D. 1 : 12
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The total length of a runway is 1000 m. The elevation at distance 0,200 m, 400 m, 600 m, 800 m and 1000 m are 100.0 m, 99.2 m, 101.0 m, 101.8 m, 101.4 m and 101.0 m respectively. The effective gradient of runway will be.
A. 0.10 %
B. 0.26 %
C. 0.43 %
D. 0.65 %
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According to I.C.A.O. the slope of transitional surface at right angles to the centre line of runway, is kept
A. 1 in 4
B. 1 in 5
C. 1 in 6
D. 1 in 7
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