Airport Engineering
The cruising speed of the aircraft is 500 kmph. If there is a head wind of 50 kmph, then the air speed and ground speed of the aircraft respectively will be

450 kmph and 500 kmph
500 kmph and 500 kmph
450 kmph and 450 kmph
500 kmph and 450 kmph

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Airport Engineering
Wing loading of an aircraft is

Load of the wings
Gross total weight of the aircraft/total available H.P of engines
Gross total weight of the aircraft/ load of the wings
Gross total weight of the aircraft/ wing area

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

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