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
500 kmph and 450 kmph
450 kmph and 450 kmph

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Airport Engineering
Wing loading of an aircraft is

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

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