Airport Engineering
Speed of

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

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Airport Engineering
In instrument landing system

Localizer and L.M.M. are installed on one side and L.O.M. on the other side
L.O.M. and L.M.M. are installed on one side and Localizer antenna on the other side
None of these
L.O.M. and Localizer are installed on one side and L.M.M. on the other side

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