Why are joints in rocks significant in construction?
A. They increase color diversity
B. They offer natural drainage
C. They reduce structural integrity
D. They reflect soil fertility
Answer: Option C
A. They increase color diversity
B. They offer natural drainage
C. They reduce structural integrity
D. They reflect soil fertility
Answer: Option C
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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