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This question belongs to Geological Engineering Rock Mechanics And Rock Engineering

Rock Mechanics and Rock Engineering

?

The "Rock Quality Designation (RQD)" is expressed as a percentage of:

A) Total fracture length in rock core B) Length of sound rock pieces longer than 10 cm C) Number of fractures per meter D) Porosity of rock

Answer & Solution

Correct Answer: Option B

RQD is the percentage of intact core pieces longer than 10 cm in length.It is a widely used indicator of rock mass quality.

Question posted by Examveda

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