NCCER Core Construction Site Safety 2

Question 1

What color hard hat typically identifies a visitor or new worker on a construction site?

Accepted Answer

Green

Answer

Green hard hats typically identify new workers, trainees, or safety observers.

Question 2

What must be done before any excavation work begins?

Accepted Answer

Contact utility companies to locate underground lines

Answer

All underground utility lines must be located by calling 811 before excavation.

Question 3

What is the maximum gap allowed between scaffold planks and the structure?

Accepted Answer

14 inches

Answer

OSHA allows a maximum gap of 14 inches between scaffold planks and the work face.

Question 4

How far apart should ladder rungs be spaced?

Accepted Answer

12 inches

Answer

Ladder rungs must be uniformly spaced at 12 inches (10-14 inches acceptable range).

Question 5

What is the purpose of a competent person on a construction site?

Accepted Answer

To identify and correct safety hazards with authority to take action

Answer

A competent person can identify hazards and has authority to take prompt corrective measures.

NCCER Core - National Center for Construction Education and Research Core Certification Practice Test