CircaCircuits
CircaCircuits Training · Practice exams

Pick your job.
Pass the test.

Mechanical and maintenance aptitude practice tests, organized by the job you're applying for, plus behavioral tests that score your judgment and work style the way employers do. Aptitude tests draw from more than 1,000 questions covering mechanical, electrical, fluid power, controls, cranes, HVAC, safety, and everyday reasoning, with diagrams like the real exams use.

Explore the trade program

1 · Choose a test

Each role test has five fixed forms. You can add behavioral sections in setup.
Aptitude tests
Behavioral tests
How employers judge your decisions and work habits

Inside the question bank

Questions per skill area. Role tests pull a fixed mix from these pools.

New here? Start with the study guide

Every skill area has a short lesson with key concepts, formulas, diagrams, and a worked example, plus a formula sheet, glossary, and test-day tips.

Open the study guideFormula sheetFAQ
CircaCircuits Trade Program

Ready for hands-on training?

Practice tests build test-day confidence. Our trade program builds the skills behind them, taught by the veteran-owned team that does the work every day.

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2 · Set up

Grading mode
Add behavioral sections (optional)
Sections run back to back like a real hiring assessment, with a break screen between them and a combined report at the end.

Independent study material. Not affiliated with or endorsed by any testing company or employer, and no questions are taken from any real exam. Role tests are practice mixes built for this site. Real tests, time limits, and passing scores are set by each employer.