NM CID GS-8 Practice Questions - New Mexico CID GS-8 Earthmoving, Excavation And Ditching Examination Exam

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When a contractor is deciding whether rock can be ripped instead of blasted, which rock type is generally the poorest candidate for ripping?

Soft, weathered sedimentary rock Foliated metamorphic rock with open joints Massive, unweathered igneous rock Rippable shale

Correct Answer:

Massive, unweathered igneous rock

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