In rocky terrains, tunnel alignment is ideally chosen to:
A. Follow the slope of the land
B. Avoid faults and joints
C. Cross all rock layers
D. Intersect the water table
Answer: Option B
A. Follow the slope of the land
B. Avoid faults and joints
C. Cross all rock layers
D. Intersect the water table
Answer: Option B
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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