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_________________ bits are specially used for very hard materials.

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_________________ bits are specially used for very hard materials.

(a) Churn drill

(b) diamond drill

(c) Steam hammer

(d) Stop hammer

This question was posed to me in an interview for internship.

I need to ask this question from Equipments in portion Construction Equipments of Construction & Building Materials

1 Answer

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The correct answer is:

(b) Diamond drill

Diamond drills are specifically designed for drilling through very hard materials like rock, concrete, or metals. The use of diamond bits allows them to handle extremely tough materials with precision and durability.

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