NCCCO Drill Rig Practice Questions - NCCCO Drill Rig Operator (DRO) Certification Exam

The operator finds a chipped tooth on the auger flight during pre-operational inspection. The correct action is to:

Continue work; teeth chip routinely and are not safety-critical Document the defect, evaluate whether it affects safe drilling, and replace if needed before use Sharpen the chip with a file in the field and continue Reverse the auger direction to avoid stressing the chipped tooth

Correct Answer:

Document the defect, evaluate whether it affects safe drilling, and replace if needed before use

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