Which of the following influences the strength of a rock mass more than intact rock strength?
A. Water content
B. Mineral composition
C. Joint spacing and orientation
D. Grain size
Answer: Option C
Solution (By Examveda Team)
In rock mass engineering, joint spacing and orientation are more critical than the strength of intact rock.Related Questions on Rock Mechanics and Rock Engineering
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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