alt Hacker NewsNo offense, but... when I was reading your story, I was somehow at least assuming that the marking on the part was somewhat unreadable or something...
After getting befuddling answers, would it not have been natural to check the base assumptions, starting with do I have the correct part? That is true as much in the "real engineering" world, as in school.
You say "It could _never_ be the equipment's fault" as if it was, but it wasn't. The test equipment gave you correct answers, your device under test was wrong.
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opello • 04/02/2025
Or even more likely in a lab setting: have another student test your part in their setup for A/B validation testing.
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I'd say it's not natural to check for the correct part that has been given to you by an authority that claims to have done so, but a learned problem solving technique.