Question 1
All of the following are condition categories used in IPC-A-610J EXCEPT:
Show answer & explanation
Correct answer: B - Target
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These 10 free IPC-A-610 questions are organized by exam domain, so you can see how each part of the IPC-A-610 Acceptability of Electronic Assemblies blueprint is tested. Reveal the answer and explanation under each question.
All of the following are condition categories used in IPC-A-610J EXCEPT:
Correct answer: B - Target
A purchase order does not state a product class. An inspector believes the assembly's end use warrants Class 3 criteria. Who has the authority to determine the product class?
Correct answer: C - The user
A master assembly drawing specifies a criterion that directly conflicts with IPC-A-610J. Which takes precedence?
Correct answer: B - The drawing
No acceptance criteria have been specified, required, or cited anywhere in the contract or drawings for an assembly. According to IPC-A-610J, what applies?
Correct answer: C - Best manufacturing practice
An inspector using a translated edition of IPC-A-610J finds that its wording conflicts with the English edition. Which text is authoritative?
Correct answer: A - The English text
Molten solder coated a land during reflow and then receded, leaving irregular mounds of solder separated by a thin film of solder. The basis metal is not exposed. This condition is:
Correct answer: C - Dewetting
Two solder connections both show poor wetting and a grayish, porous appearance. One of them additionally shows evidence of entrapped rosin separating the surfaces being joined. That second connection is correctly identified as a:
Correct answer: B - Rosin connection
A solder ball is small enough to fall below the size limit for its class, but it has come to rest in a position that reduces the spacing between two conductors below the minimum electrical clearance. The condition is:
Correct answer: D - A defect
A lead-free solder connection shows a separation between the solder fillet and the land, appearing at the fillet's outer edge. The connection otherwise shows normal wetting. This condition is MOST likely:
Correct answer: B - Lead-free fillet lift
An inspector observes white crosses below the surface of the laminate at the intersections of the woven glass fibers. The white areas are discrete and are not connected to one another. This condition is:
Correct answer: C - Measling
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