Q.1

Speed of

  • sound at 0°C is 1190 km p.h.
  • sound varies 2.4 km p.h. per degree centrigrade rise in temperature
  • sound at 0°C is called one Mach
  • an aircraft flying at 2975 km p.h., is called 2.5 Mach
  • All the above.
Q.2

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.
Q.3

International Civil Aviation Organisation (I.C.A.O.) was set up at Montreal (Canada), in

  • 1929
  • 1939
  • 1947
  • 1950
Q.4

According to I.C.A.O. all markings on the runways are painted white and on taxiways

  • black
  • red
  • yellow
  • green
Q.5

The maximum length and pavement strength of the runway is that of

  • A 1
  • B 2
  • B 3
  • G 7
Q.6

The runway orientation is made so that landing and take off are

  • against the wind direction
  • along the wind direction
  • perpendicular to wind direction
  • none of these.
Q.7

Pick up the correct abbreviation from the following:

  • I.L.S. (instrument landing system)
  • V.H.F, (very high frequency)
  • L.O.M. (low powered outer marker)
  • L.M.M. (low powered middle marker)
  • All the above
Q.8

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
  • The imaginary inclined plane which is directly above the approach area is called approach surface
  • Obstruction clearance surface and approach surface are same
  • All the above.
Q.9

The meterological condition which influences the size and location of an air port is

  • atmosphere pressure
  • air density
  • reduced level
  • wind direction
  • all the above.
Q.10

The air is blowing at a speed ofknots in the direction of the aircraft flying at a ground speed ofknots. The air speed of the aircraft, is

  • 775 knots
  • 75 knots
  • 850 knots
  • 675 knots
Q.11

If the width of the approach area near the runway end ism, 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
Q.12

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.
Q.13

An aircraft is flying in an atmosphere of 30°C with a speed ofkm ph. Its speed is known as

  • subsonic
  • sonic
  • super-sonic
  • Mach.
Q.14

The coordinates of the ends of a runway are (and (7000). The co-ordinates of an other runway are (and (5300). The co-ordinates of the A.R.P. are

  • (6500, 6000)
  • (5800, 5200)
  • (61500, 5600)
  • (8000, 7000)
Q.15

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 x 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.
Q.16

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
  • None of these.
Q.17

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
  • 1 in 10
Q.18

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.
Q.19

A gradient of + 0.is followed by a gradient of - 0.07%. If the permissible rate of change of grade is 0.permetres, the length of the transition curve, is

  • 150 m
  • 140 m
  • 160 m
  • 175 m
Q.20

The depressions and undulations in the pavement, are caused due to

  • improper compaction of subgrade
  • impact of heavy wheel loads
  • punching effect
  • flexible gears
  • all the above.
Q.21

The thickness design of the pavement, is decided on the load carried by

  • main gears
  • nose wheel
  • tail wheel
  • all the above.
Q.22

Conical surface of the approach area rises outwards

  • 1 in 10
  • 1 in 15
  • 1 in 20
  • 1 in 25
Q.23

Pick up the incorrect statement from the following:

  • In single engine aeroplanes, the engine is provided in the nose of the aircraft
  • In double engine aeroplanes, one engine on either wing is placed symmetrically
  • In three engine aeroplanes, two engines are placed on both wings and one engine is placed in the tail
  • None of these.
Q.24

For Class A Air port the difference of reduced levels of higher and lower edges of the conical surface, is

  • 25 m
  • 50 m
  • 75 m
  • 100 m
Q.25

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.
Q.26

Beaufort scale is used to determine

  • strength of winds
  • direction of winds
  • height of air-crafts
  • none of these.
Q.27

Airport elevation is the reduced level above M.S.L. of

  • control tower
  • highest point of the landing area
  • lowest point of the landing area
  • none of these.
Q.28

The fuse large includes

  • passengers chamber
  • pilot's cabin
  • tail of aircraft
  • all the above.
Q.29

The reduced level of the proposed site of an air port ism above M.S.L. If the recommended length by I.C.A.O. for the runway at sea level ism, the required length of the runway is

  • 2500 m
  • 3725 m
  • 3000 m
  • 3250 m
Q.30

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
  • The aircraft which is filled with a fan infront of turbo-jet engine, is called turbofan propelled aeroplane
  • All the above.
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