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After a few minutes it is observed that the bit is hot

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Reference no: EM13620430

A hand drill is used to drill a Holbein a very hard material. Because the bit is very dull it spins with out advancing. After a few minutes it is observed that the bit is hot. Discuss the direction and modes of heat flow in this situation. At what location is the temperature highest?

Reference no: EM13620430

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