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The operation of making a cone-shaped enlargement of the end of...

This question belongs to Mechanical Engineering Manufacturing And Production Technology
Manufacturing and Production Technology
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The operation of making a cone-shaped enlargement of the end of a hole is known as

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Correct Answer: Option A
Counter sinking is used to enlarge the upper part of (a cavity), especially by chamfering, to receive the cone-shaped head of a screw, bolt. The operation of making a cone-shaped enlargement of the end of a hole is known as Counter-sinking
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