Vidyalelo
Geological Engineering · Q139

Rock Mechanics and Rock Engineering

Engineering and GATE · Geological Engineering · question 139

Q139

Which factor primarily influences the elastic modulus of rock?

A.
Grain size
B.
Mineral composition
C.
Porosity and cracks
Answer
D.
Color

Answer: Option C

Solution

Answer: Option C
Solution:
Elastic modulus depends on rock porosity and presence of cracks, which reduce stiffness.