Which of the following reduces the stability of a rock slope the most?
A. Tight joints
B. Low water content
C. Large joint spacing
D. Joints dipping out of slope face
Answer: Option D
Solution (By Examveda Team)
Joints dipping out of the slope face can promote sliding and failure along joint planes, reducing slope stability.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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