০০। 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
ক) 150 m
খ) 140 m
গ) 160 m
ঘ) 175 m
০১। According to I.C.A.O. all markings on the runways are painted white and on taxiways
ক) black
খ) red
গ) yellow
ঘ) green
০২। According to I.C.A.O. the recommended length of air ports is decided on
ক) sea level elevation
খ) standard sea level temperature (15°C)
গ) effective gradient percentage
ঘ) all the above.
০৩। According to I.C.A.O. the slope of transitional surface at right angles to the centre line of runway, is kept
ক) 1 in 4
খ) 1 in 5
গ) 1 in 6
ঘ) 1 in 7
ঙ) 1 in 10
০৪। According to the International Civil Aviation Organisation (I.C.A.O.) the strength of runway pavements, have been coded by
ক) Seven English alphabets
খ) Last Seven English alphabets
গ) First Seven English alphabets
ঘ) First seven numbers
ঙ) None of these.
০৫। According to the International Civil Aviation Organisation (I.C.A.O.), the runway lengths of aerodromes, have been coded by
ক) Seven English alphabets
খ) Last Seven English alphabets
গ) First Seven English alphabets
ঘ) First seven natural numbers.
০৬। Airport elevation is the reduced level above M.S.L. of
ক) control tower
খ) highest point of the landing area
গ) lowest point of the landing area
ঘ) none of these.
০৭। An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known as
ক) subsonic
খ) sonic
গ) super-sonic
ঘ) Mach.
০৮। Beaufort scale is used to determine
ক) strength of winds
খ) direction of winds
গ) height of air-crafts
ঘ) none of these.
০৯। Conical surface of the approach area rises outwards
ক) 1 in 10
খ) 1 in 15
গ) 1 in 20
ঘ) 1 in 25
১০। Effective length of a runway is the distance between
ক) ends of the runway
খ) point of intersection of the obstruction clearance line and the extended plane of the runway surface, and the other end of the runway
গ) point of intersection of the glide path and the extended plane of the runway surface and the other end of the runway
ঘ) ends of the clear way on either side.
১১। For Class A Air port the difference of reduced levels of higher and lower edges of the conical surface, is
ক) 25 m
খ) 50 m
গ) 75 m
ঘ) 100 m
১২। For night landing, the thresholds are lighted
ক) green
খ) red
গ) white
ঘ) yellow
১৩। For the proposed air port, the survey project provides
ক) master plan
খ) topograhic plan
গ) grading plan
ঘ) drainage plan
ঙ) all the above.
১৪। For the proposed runway stated in if the aerodrome reference temperature is 17°.2, the net designed length of the runway is
ক) 2716 m
খ) 2816 m
গ) 2916 m
ঘ) 3016 m
১৫। For the taxiways, the following statement is true
ক) The maximum longitudinal grade is 3%
খ) The permissible rate of change of grade is 1%
গ) The permissible transverse grade is 1.5%
ঘ) All the above.
১৬। From the end of an instrumental runway, the approach surface rises outwards
ক) 1 in 20
খ) 1 in 30
গ) 1 in 40
ঘ) 1 in 50
১৭। If lift off distance of an craft is 2000 m, the clear way at the end of the runway should not be less than
ক) 145 m
খ) 152.5 m
গ) 162.5 m
ঘ) 172.5 m
১৮। 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
ক) 1500 m
খ) 1200 m
গ) 1000 m
ঘ) 800 m
১৯। In instrument landing system
ক) L.O.M. and L.M.M. are installed on one side and Localizer antenna on the other side
খ) L.O.M. and Localizer are installed on one side and L.M.M. on the other side
গ) Localizer and L.M.M. are installed on one side and L.O.M. on the other side