Vidyalelo
Mining Engineering · Q46

Rock Mechanics and Roof Supporting

Engineering and GATE · Mining Engineering · question 46

Q46

The uni-axial compressive strength and modulus of elasticity of a rock sample are 90 MPa and 30 GPa respectively. The stored strain energy per unit volume in kN.m/m3 of the sample at the time of failure is

A.
1.5
B.
140
C.
270
D.
135
Answer

Answer: Option D

Solution

Answer: Option D
No explanation is given for this question Let's Discuss on Board