Certified Production Technician (CPT) Exam

A blueprint dimension reads '2.500 ± 0.005 inches.' What does the ± 0.005 indicate?

The part must measure exactly 2.500 inches with no variation allowed The measurement tool has an error of 0.005 inches The acceptable range for that dimension is 2.495 to 2.505 inches The dimension applies to 5 identical features on the part

Correct Answer:

The acceptable range for that dimension is 2.495 to 2.505 inches

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