Airport Engineering
The depressions and undulations in the pavement, are caused due to

Punching effect
All listed here
Impact of heavy wheel loads
Improper compaction of sub-grade

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Airport Engineering
In instrument landing system

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

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