GATE CE 2025 Set 2 — Question 19
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Transportation Engineering → Airport Engineering → Gradient Correction
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Question
After applying the correction for elevation and temperature, the runway length is m. The corrected runway length (in m) for an effective gradient of is ______ (round off to the nearest integer).
Correct answer
(A) 840
Solution
The correction for gradient in runway design (as per ICAO/FAA standards) requires the runway length to be increased at the rate of for every of effective gradient.Given:
Length after elevation and temperature corrections () = m
Effective gradient () = Correction for gradient = mFinal corrected runway length = m.
Length after elevation and temperature corrections () = m
Effective gradient () = Correction for gradient = mFinal corrected runway length = m.
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