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Taxiway Design – IES PYQ

      

1. Which of the following factors are to be taken into consideration while designing the taxiway system ?

  1. Volume of air traffic
  2. Runway configuration
  3. Location of terminal building
  4. Location of hangars

Select the correct answer using the codes given below:

[IES 2000]

  1. 2 and 3
  2. 1 and 4
  3. 1, 2, 3 and 4
  4. 1, 2 and 3
Answer: Option C
Explanation:
The factors that are to be considered while designing a taxiway system are

  • Volume of air traffic – At busy airports, taxiway should be located such that the landing aircraft leaves the runway as early as possible.
  • Runway configuration – As far as possible the intersection of taxiway and runway should be avoided.
  • Location of facilities like terminal building, holding aprons, hangars, etc., – The route for taxiway must be the shortest practicable distance.

2.  What shall be the radius of an exit taxiway with design exit speed of 90 kmph and coefficient of friction 0.13 ?

[IES 2015]

  1. 500 m
  2. 475 m
  3. 449 m
  4. 550 m
Answer: Option A
Explanation:

The radius of exit taxiway, R =

v2

125 f

=

902

125 x 0.13

⇒ R = 498.5 m
Here, the closest option is 500 m.

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