Every test below mirrors the union pipe-trades entrance battery: timed sections, no calculator, instant scoring with explanations. Pick your trade and get a baseline score today — the ranked list rewards the applicants who practiced.
For applicants to union plumbing apprenticeships — the full section mix with plumbing-flavored word problems and passages.
For fitter-track applicants — note that some fitter locals set higher qualifying scores, so aim above the minimum.
For steamfitter applicants — high-pressure steam and HVAC-R systems work, same battery with mechanical comprehension pulling extra weight.
For applicants to sprinkler fitter apprenticeships, which are often organized under their own locals and programs.
Not sure which applies to you? The battery itself is largely the same across the pipe trades — six timed sections, about 140 questions, roughly two hours, no calculator. The GAN aptitude test overview explains the sections and scoring, and the study guide covers how to prepare each one. Test formats vary by local — always verify the details of your test with the program you are applying to.
The PipePrep AI app carries 10 full-length timed batteries with 1,300+ questions, weak-area drills, a readiness gauge, mock panel interviews, and Piper — an AI tutor that walks you through every question until it clicks. Built by a federally recognized pre-apprenticeship instructor.
Get PipePrep AIComing soon to the App Store.