Airport Engineering
The length of a runway under standard atmospheric conditions is 1800 m. If the actual reduced level of the site is 1200 m, the design length of the runway is

2360 m
2660 m
2560 m
2460 m

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Airport Engineering
Consider the following statements regarding ICAO recommendation for correction to basic runway length of these statements
1. The basic runway length should be increased at the rate of 7 percent per 300 m rise in elevation above the mean sea level.
2. 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 elevation.
3. 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.

1, 2 and 3 are correct
2 and 3 are correct
1 and 2 are correct
1 and 3 are correct

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Airport Engineering
Speed of

Sound at 0°C is 1190 kmph
Sound varies 2.4 kmph per degree centigrade rise in temperature
All listed here
Sound at 0°C is called one Mach

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