Built on Michigan’s official SOS test outline

Walk into your Michigan mechanic test ready.

Practice with original questions written to the state’s own topic weights. Every answer comes with a plain-English explanation, and your results show exactly which topics to study.

Start a free practice test Browse all 20 tests
  • 15 free questions per live test
  • No sign-up
  • One-time passes, no subscription
20SOS mechanic test categories mapped
350original practice questions
55questions per mock, in the official mix

Choose your trade

Mechanic certification

Michigan Department of State (SOS)

All 20 SOS test categories with official topic weights. 5 full practice banks live.

Live now

Mechanical contractor

LARA Bureau of Construction Codes · exams by PSI

HVAC, refrigeration, heating service, hydronic, and other classifications.

Coming soon

Residential builder & M&A

LARA · exams by PSI

Residential builder, maintenance & alteration, and salesperson exams.

Coming soon

Plumbing

LARA Bureau of Construction Codes · exams by PSI

Journey and master plumber exams.

Coming soon

Electrical

LARA Bureau of Construction Codes · exams by PSI

Journeyman and master electrician exams.

Coming soon

How it works

  1. Free sample

    15 questions per category, covering every topic, with instant explanations.

  2. Full mock exam

    55 questions in the official topic mix, with a practice timer and an optional kiosk-style “quick pass.”

  3. Topic breakdown

    See which outline sections you missed, then drill just those topics before test day.