What is the FIRST thing a worker should do upon arriving at a new construction site?
Basic Safety
Question · Easy
The carpenter's square-corner trick
Short
NCCER Core Curriculum Exam Guide 2026: Modules, Passing Score, and Practice
A 2026 NCCER Core guide for construction trainees covering the Core Level Test, 89-item closed-book format, 70 passing score, module breakdown, and study plan.
Blog
Which class of fire extinguisher is appropriate for an electrical fire?
Chapter 1: Basic Safety Fundamentals & OSHA Regulations
1.1 Safety Culture, Incident Costs, and OSHA Regulations
Study guide
At what height does OSHA generally require fall protection in the construction industry?
Trades Exam Prep Podcast
Listen on Spotify
Podcast
What does the acronym SDS stand for in the context of hazardous materials?
Which PPE is required as a MINIMUM on virtually all construction sites?
Question · Medium
What a Safety Data Sheet tells you
What is the purpose of a lockout/tagout (LOTO) procedure?
1.2 Hazard Recognition, Job Safety Analysis (JSA), and the Hierarchy of Controls
Convert 3 feet 6 inches to inches.
Construction Math
What is the area of a rectangular room that measures 12 feet by 15 feet?
A worker needs to cut a board into 4 equal pieces from a 96-inch length. How long will each piece be?
OSHA fall heights, to scale
What fraction is equivalent to 0.75?
1.3 Personal Protective Equipment (PPE) Selection, Inspection, and Maintenance
Which hand tool is used to check if a surface is perfectly horizontal?
Hand Tools
What is the primary purpose of a combination square?
Which type of hammer is most commonly used for general carpentry work?
What safety precaution must be taken BEFORE changing a blade on a circular saw?
Power Tools
Chapter 2: Elevated Work, Scaffolding & Electrical Safety
2.1 Fall Protection Systems: Guardrails, Safety Nets, and Personal Fall Arrest Systems (PFAS)
Which power tool is best suited for drilling holes in concrete?
On a construction blueprint, what does a dashed line typically represent?
Blueprints
What does a scale of 1/4" = 1'-0" mean on a blueprint?
Which type of blueprint view shows the building as if it were cut horizontally and viewed from above?
2.2 Ladder Safety Standards and Scaffolding Requirements
What is the MAIN purpose of a Job Hazard Analysis (JHA)?
When lifting a heavy object manually, what is the correct body position?
Material Handling
How many cubic yards of concrete are needed to pour a slab that is 27 feet long, 9 feet wide, and 4 inches thick?
Question · Hard
What is the volume of a cylinder with a diameter of 2 feet and a height of 7 feet? (Use π = 3.14)
2.3 Electrical Hazards, Ground Fault Protection (GFCI), and Lockout/Tagout (LOTO)
Which type of wrench is adjustable and can fit different sizes of nuts and bolts?
What is the standard color for a DANGER sign according to OSHA?
What is the Pythagorean theorem used to calculate in construction?
Using the 3-4-5 rule, if one side of a right angle measures 6 feet and another measures 8 feet, what should the diagonal measure to confirm squareness?
Chapter 3: Health Hazards, Fire Protection & Chemical Safety
3.1 Confined Space Entry, Trenching, and Excavation Safety
What type of screwdriver has a cross-shaped tip?
What does GFCI stand for, and what is its purpose?
Which of the following is a proper use of a ladder on a construction site?
A blueprint symbol showing a half-circle against a wall line typically represents what?
3.2 Fire Protection, Extinguisher Classifications, and Job-Site Fire Prevention
What is the purpose of a confined space entry permit?
What is the correct angle for setting up an extension ladder against a wall?
Which of these is an example of administrative controls in the hierarchy of hazard controls?
If a worker needs 256 bricks and each pallet contains 500 bricks, what percentage of one pallet will be used?
3.3 Hazard Communication (HazCom), GHS Pictograms, and Safety Data Sheets (SDS)
Loading more…