AL Tunnel Practice Questions - Alabama Tunnel Contractor Examination Exam

Welders are preparing to cut steel near the face when a monitor reads 10 percent or more of the LEL. What must they do?

Keep welding if they wear cotton sleeves Suspend hot work until the concentration is below 10 percent of the LEL Increase only the welding amperage Ignore the reading unless it reaches 50 percent of the LEL

Correct Answer:

Suspend hot work until the concentration is below 10 percent of the LEL

Access more questions from this quiz

Continue to AL Tunnel Practice Questions - Alabama Tunnel Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions