SAFETY NCCER| Full Revision Guide|
Questions and Answers (Multiple
Choices)| 2025
A worker notices a frayed extension cord on a power tool. What's the safest thing to do?
A. Tape it up and keep using it
B. Tag it out and report it
C. Use it for light-duty work only
D. Hide it in your toolbox
B. Tagging it out and reporting it is the right call. If you keep using it, it could shock you or
start a fire. Don’t mess with damaged cords.
You’re climbing a ladder and your hands are full of tools. What’s the safe move?
A. Carry tools in both hands
B. Use a tool belt or hoist
C. Toss tools up ahead of you
D. Climb faster to finish quickly
B. You need both hands free to climb safely. Use a belt or a rope system – way safer than
juggling tools while climbing.
During hot weather, a crew member looks dizzy and confused. What’s your first response?
A. Ignore it—they’re just tired
B. Move them to a cool spot and tell the supervisor
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C. Give them coffee
D. Let them rest in the sun
B. Classic signs of heat exhaustion. Get them out of the heat and alert someone. Don’t just
leave them like that.
Someone spills oil in the walkway. What’s your best action?
A. Walk around it carefully
B. Block off the area and report it
C. Tell someone else to clean it
D. Wipe it with your shirt
B. Slippery floors are a hazard. Block it off so no one gets hurt, then report it so it's cleaned
properly.
Why is PPE considered your last line of defense?
A. It prevents all accidents
B. It replaces other safety systems
C. It protects you when other controls don’t
D. It works even if damaged
C. PPE doesn’t stop hazards from existing—it just protects you if something goes wrong.
You still need other safety steps too.
Hearing protection is needed when noise levels hit:
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A. 70 dBA
B. 75 dBA
C. 85 dBA or higher
D. 50 dBA
C. At 85 decibels and up, long-term exposure can cause hearing damage. Gotta protect your
ears.
You find a safety harness with a broken buckle. What should happen next?
A. Use it for light-duty work
B. Fix it with zip ties
C. Remove it from service and tag it
D. Use it carefully
C. Damaged fall protection gear is a big risk. Tag it out—no compromises here.
Why is housekeeping considered a safety behavior?
A. It makes the site look good
B. It prevents slips, trips, and falls
C. It keeps the boss happy
D. It improves lighting
B. Clean, clear workspaces prevent lots of accidents. Tripping over junk is one of the top
ways people get hurt.
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A scaffold lacks a guardrail. What should you do?
A. Step carefully and work fast
B. Use it with caution
C. Don’t use it and report it
D. Ask a friend to hold your belt
C. No guardrail = unsafe scaffold. Don’t use it until it’s fixed.
Why should tools be inspected before each use?
A. To keep them clean
B. To spot damage or wear
C. To make the boss happy
D. To finish jobs faster
B. A busted tool can cause injuries. Always check before using.
A fire starts in a trash can. What’s your first move?
A. Pull the fire alarm
B. Try to put it out with water
C. Yell “fire” and run
D. Kick the trash can outside
A. Alarms alert everyone fast, which is the priority. Fire safety is all about quick, calm
action.