# Consider the following statements regarding iCAO recommendation for correction to basic runway length _____ ? with Answer - Civil Engineering Mcqs | TestPrep

> Solved MCQ: Consider the following statements regarding iCAO recommendation for correction to basic runway length _____ ? Correct Answer: 1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level2. The basic runway length after having been corrected for elevation should be further increased at the rate of 1 percent for every 1°C rise in airport reference temperature above the standard atmospheric temperature at that elevation3. The runway length after having been corrected for elevation and temperature should be further increased at the rate of 20% for every 1 percent of effective gradient. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Consider the following statements regarding iCAO recommendation for correction to basic runway length _____ ?

Direct Answer & Quick Reference

The correct option is **1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level2. The basic runway length after having been corrected for elevation should be further increased at the rate of 1 percent for every 1°C rise in airport reference temperature above the standard atmospheric temperature at that elevation3. The runway length after having been corrected for elevation and temperature should be further increased at the rate of 20% for every 1 percent of effective gradient**.

A. 1 and 2 are correct

B. 2 and 3 are correct

C. 1 and 3 are correct

D. 1,2 and 3 are correct

✨ Explain with AI

Verified Key: 1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level2. The basic runway length after having been corrected for elevation should be further increased at the rate of 1 percent for every 1°C rise in airport reference temperature above the standard atmospheric temperature at that elevation3. The runway length after having been corrected for elevation and temperature should be further increased at the rate of 20% for every 1 percent of effective gradient
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