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Pipefitting Nccer Level 2 Exam 2024
Pipefitting Nccer Level 2 Exam 2024 
Gravity flow systems - ANSWER-Consist of piping that is sloped to allow flow and is not pressurized. These systems usually includes storm and sanitary during services. 
Boiling - ANSWER-When water flows upward into the bottom of the cut. A high water table is one of the causes of boiling. 
Trench width and depth - ANSWER-Determines the load that the pipe has to support once backfilling is complete 
Thrust blocks - ANSWER-Designed by engineers, help restrain t...