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{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [], "new_concepts": [ "Tap Drill Size", "Metric Thread Calculation" ], "current_concepts": [ "Tap Drill Size", "Metric Thread Calculation" ] } ## Identify the tap size and pitch $$ \begin{aligned} D &= 12\text{ mm} \ P &= 1.75\text{ mm} \end{aligned} $$ ## Calculate the tap drill size $$ \begin{aligned} \text{Drill Size} &= D - P \ &= 12\text{ mm} - 1.75\text{ mm} \ &= 10.25\text{ mm} \end{aligned} $$

(A) 12mm

(B) 10.25mm

(C) 13.75mm

(D) 11.25mm

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Metric Thread Calculation" ] }

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Explanation:

Identify the tap size and pitch

Calculate the tap drill size

Answer: