NCCER Module 4 (Power Tools)
Questions and Answers | Latest Update |
2024/2025 | Graded A+
What’s the purpose of the grounding pin on a power tool plug?
To protect the user from electrical shock by grounding excess current.
Why should you always inspect a power tool before using it?
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What’s the purpose of the grounding pin on a power tool plug?
✔✔To protect the user from electrical shock by grounding excess current.
Why should you always inspect a power tool before using it?
✔✔To identify any damage or issues that could cause unsafe operation.
How does using the correct speed setting on a drill improve safety?
✔✔It prevents overheating and helps maintain control over the tool.
Why is eye protection essential when operating a power tool?
✔✔To protect your eyes from flying debris, dust, or sparks.
What’s the best way to store power tools to ensure their longevity?
✔✔Keep them in a dry, safe place, away from dust and moisture.
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, Why is it important to use a sharp blade on a circular saw?
✔✔A sharp blade cuts more efficiently and reduces the chance of kickback.
How does an adjustable guard on a grinder contribute to safety?
✔✔It helps shield the user from sparks and debris.
Explain why an extension cord should be rated for outdoor use when used outside.
✔✔Outdoor-rated cords are designed to withstand exposure to moisture and weather.
What should you do if a power tool overheats during use?
✔✔Turn it off and let it cool down before continuing.
Why is regular cleaning of power tools important for safety?
✔✔It prevents dust buildup that could interfere with operation or cause overheating.
What’s the purpose of a “soft start” feature on some power tools?
✔✔It allows the tool to start up smoothly, reducing strain on the motor and improving control.
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