Question 289General Subjects - Assistant Engineer
70% to passIn the figure shown in the illustration, the standard blueprint symbols above the letters "A", "B", and "C" indicate . Illustration GS-0036
Athe use of internal threads
Bhole tolerance
Cfinished diameter
Dinterference fit
AI Explanation
The correct answer is A) the use of internal threads. The standard blueprint symbols above the letters "A", "B", and "C" in the illustration GS-0036 indicate the use of internal threads. This is a common drafting convention used to represent threaded holes or openings in engineering drawings and blueprints. The other answer choices are incorrect because: B) hole tolerance refers to the allowable variation in the size of a drilled hole, C) finished diameter indicates the final size of a part or feature, and D) interference fit refers to a tight mechanical connection between two mating parts, not the use of internal threads.
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