Which method is commonly used to measure in-situ stress in rock engineering?
A. Schmidt hammer test
B. Overcoring method
C. Slake durability test
D. Permeability test
Answer: Option B
A. Schmidt hammer test
B. Overcoring method
C. Slake durability test
D. Permeability test
Answer: Option B
What does UCS stand for in rock mechanics?
A. Ultimate Compression Shear
B. Uniaxial Compressive Strength
C. Uniform Core Strength
D. Unconfined Compression Standard
Which test is commonly used to determine tensile strength of rock?
A. Point load test
B. Slake durability test
C. Brazilian test
D. UCS test
Rock mass rating (RMR) system is used for:
A. Water quality classification
B. Rock load estimation
C. Soil permeability analysis
D. Slope stability in soils
What does the term �anisotropy� in rock mechanics refer to?
A. Isolated fractures
B. Uniform grain structure
C. Direction-dependent properties
D. Complete randomness
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