NCCER Core Curriculum Module 2 Questions and Answers

Cross-bracing - ANSWER-Braces (metal or wood) placed diagonally from the bottom of one rail to the top of another rail that add support to a structure Excavation - ANSWER-Any man-made cut, cavity, trench, or depression in an earth surface, formed by removing earth. It can be made for anything from basements to highways. Guarded - ANSWER-Enclosed, fenced, covered, or otherwise protected by barriers, rails, covers, or platforms to prevent dangerous contact Hand line - ANSWER-A line attached to a tool or object so a worker can pull it up after climbing a ladder or scaffold Lanyard - ANSWER-A short section of rope or strap, one end of which is attached to a worker's safety harness and the other to a strong anchor point above the work area Maximum intended load - ANSWER-The total weight of all people, equipment, tools, materials, and loads that a ladder can hold at one time Midrail - ANSWER-Mid-level, horizontal board required on all open sides of scaffolds and platforms that are more than 14 inches (35 cm) from the face of the structure and more than 10 feet (3 m) above the ground. It is placed halfway between the toe-board and the top rail Planked - ANSWER-Having pieces of material 2 inches (5 cm) thick or greater and 6 inches (15 cm) wide or greater used as flooring, decking, or scaffold decks Six-foot rule - ANSWER-A rule stating that platforms or work surfaces with unprotected sides or edges that are 6 feet (≈2m) or higher than the ground or level below it require fall protection Toeboard - ANSWER-A vertical barrier at floor level attached along exposed edges of a platform, runway, or ramp to prevent materials and people from falling Top rail - ANSWER-A top-level, horizontal board required on all open sides of scaffolding and platforms that are more than 14 inches (36 cm) from the face of the structure and more than 10 feet (3 m) above the ground