SSC JE Civil Engineering 23-Sep-2019 Shift 1 Solved Paper

Question : 139 of 200

Marks: +1, -0

Which of the following statements is correct in the case of the seismic method of site investigation?

The method can be used if a hard layer with a greater seismic velocity overlies a softer layer with a smaller seismic velocity.
If an area contains underground features such as an irregular water table, the interpretation of the results becomes very difficult.
The method can be used for the areas covered by concrete or asphalt pavement having a high seismic velocity.
If the surface layer is frozen, then the method cannot be used.

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