When is a retaining wall most likely required during construction?
A. When constructing rooftops
B. When building on flat land
C. When excavating slopes or embankments
D. When laying electrical wiring
Answer: Option C
Solution (By Examveda Team)
Retaining walls are used to hold back soil in cut slopes or embankments to prevent collapse or erosion.This Question Belongs to Geological Engineering >> Engineering Geology For Construction
What is the most important geological consideration before constructing a dam?
A. Soil fertility
B. Rock type and structure
C. Surface vegetation
D. Proximity to roads
Which test is commonly used to determine rock strength for construction suitability?
A. Permeability test
B. Schmidt hammer test
C. Sieve analysis
D. Vane shear test
What geological structure is most hazardous for tunnel construction?
A. Horizontal bedding
B. Fault zone
C. Anticline fold
D. Massive granite
The unconfined compressive strength of a rock is a measure of its:
A. Tensile strength
B. Load-bearing capacity without lateral support
C. Weathering rate
D. Porosity
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