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  • Question
  • 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


  • Options
  • A. 150 m
  • B. 140 m
  • C. 160 m
  • D. 175 m

  • Correct Answer
  • 150 m 


  • Airport Engineering problems


    Search Results


    • 1. For the taxiways, the following statement is true

    • Options
    • A. The maximum longitudinal grade is 3%
    • B. The permissible rate of change of grade is 1%
    • C. The permissible transverse grade is 1.5%
    • D. All the above.
    • Discuss
    • 2. According to the International Civil Aviation Organisation (I.C.A.O.), the runway lengths of aerodromes, have been coded by

    • Options
    • A. Seven English alphabets
    • B. Last Seven English alphabets
    • C. First Seven English alphabets
    • D. First seven natural numbers.
    • Discuss
    • 3. The threshold markings are

    • Options
    • A. 4 m wide
    • B. 1 m clear space between adjacents
    • C. 45 m in length
    • D. placed symmetrically on either side of the runway centre line
    • E. all the above.
    • Discuss
    • 4. The strength of winds is measured with the help of

    • Options
    • A. Benfort scale
    • B. Wind indicator
    • C. Barometres
    • D. None of these.
    • Discuss
    • 5. An aircraft is flying in an atmosphere of 30°C with a speed of 1260 km ph. Its speed is known as

    • Options
    • A. subsonic
    • B. sonic
    • C. super-sonic
    • D. Mach.
    • Discuss
    • 6. According to I.C.A.O. the recommended length of air ports is decided on

    • Options
    • A. sea level elevation
    • B. standard sea level temperature (15°C)
    • C. effective gradient percentage
    • D. all the above.
    • Discuss
    • 7. Pick up the incorrect statement from the following:

    • Options
    • A. Channelization of pavement is caused by constant use of tri-cycle gears of aircraft
    • B. Blast pads are used over cohesionless soils to resist erosion due to tremendous speed of the jet blast
    • C. Over-run areas of at least 300 m length on either side of the runway are provided
    • D. None of these.
    • Discuss
    • 8. Beaufort scale is used to determine

    • Options
    • A. strength of winds
    • B. direction of winds
    • C. height of air-crafts
    • D. none of these.
    • Discuss
    • 9. Speed of

    • Options
    • A. sound at 0°C is 1190 km p.h.
    • B. sound varies 2.4 km p.h. per degree centrigrade rise in temperature
    • C. sound at 0°C is called one Mach
    • D. an aircraft flying at 2975 km p.h., is called 2.5 Mach
    • E. All the above.
    • Discuss
    • 10. Pick up the correct statement from the following:

    • Options
    • A. Runway edge from the landing side, is called threshold
    • B. Localizer indicates to the pilot his position with respect to the proposed alignment
    • C. The glide slope indicates the correct angle of descent
    • D. L.O.M. and L.M.M. help the pilot to judge his position for the runway
    • E. All the above.
    • Discuss


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