UA Local 342 · Concord, CA
UA Local 342 covers the East Bay — Contra Costa, Alameda, Solano, and Napa counties.
We don't claim to know what's on the UA Local 342 test beyond what they've published themselves. This page documents what we found on their public website. Always verify directly with your JATC.
“The test consists of two parts: Math and Mechanical Aptitude… eighth grade level pre-algebra (decimals, fractions, percentages) accompanying basic mechanical aptitude. Passing threshold: a 75% composite grade.”
Source: https://www.ua342.org/training?zone=training&pID=10627
By LearningExpress Editors. Recommended for the math portion.
Open source →By Joel Wiesen. Local 342 notes: 'Study the Mechanical Aptitude part of the book only.'
Open source →Downloadable sample test hosted on Local 342's application page.
Open source →Research notes: Local 342 is the most applicant-friendly in this set — specific book recommendations with prices, a downloadable sample test PDF, and a published 75% composite passing threshold.
Our study library covers the skill areas UA aptitude tests commonly assess — Reading Comprehension, Figure Visualization, Mechanical Abilities, and Math — with worked examples and practice drills built for pencil-and-paper, no-calculator conditions. We don't claim our library perfectly matches UA Local 342's specific format. What we can say: if your test covers any of the core skill areas, we've got material on it.
Research date: 2026-04-15. Always verify directly with your JATC — locals update their requirements.