Solve this multiple-choice question and choose the correct option.

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Grinding wheel balance: when should balancing be checked? Determine the most appropriate time to test a grinding wheel for balance to avoid vibration and poor finish. Choose the best practice.

Difficulty: Easy

Only at the time of manufacture
Before starting the grinding operation
At the end of the grinding operation
Occasionally, without a set schedule

Correct Answer: Before starting the grinding operation

Explanation:

ConceptImbalance causes chatter, poor finish, and bearing stress. A wheel should be checked and corrected for balance on the machine before use, especially after mounting or dressing.

Final AnswerBefore starting the grinding operation

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