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Mining Engineering · Q28

Rock Mechanics and Roof Supporting

Engineering and GATE · Mining Engineering · question 28

Q28

A rock specimen of 120 mm length and 54 mm diameter is subjected to uniaxial compressive loading. Two strain gauges, one axially and other radially, are attached to the specimen. At the breaking load, if these two gauges read 0.0082 m/m and 0.0023 m/m respectively, the Poisson's ratio of the specimen is

A.
3.56
B.
0.25
C.
0.28
Answer
D.
0.32

Answer: Option C

Solution

Answer: Option C
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