A grinding wheel is trued with a __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — dressing tool
A grinding wheel dressing tool, typically featuring hardened steel cutters or a diamond tip, is used to true the wheel's face and remove embedded metal particles. This process restores the wheel's concentricity and cutting efficiency, which is essential for safe operation and preventing vibration or wheel failure during high-speed grinding.
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