AL Pipelines Practice Questions - Alabama Pipelines Contractor Examination Exam

Water accumulating in a trench is hazardous primarily because it can:

Undermine stability, hide hazards, and increase the chance of cave-in or drowning Automatically classify the soil as stable rock Eliminate the need for a competent person Cure concrete coating faster

Correct Answer:

Undermine stability, hide hazards, and increase the chance of cave-in or drowning

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