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Canada · Trade exam

Millwright Red Seal exam

The millwright Red Seal exam, under the trade name Industrial Mechanic (Millwright), has 135 multiple-choice questions, and power transmission carries the most, at 32. It's a Red Seal trade in all 13 provinces and territories. Current exams are still built on the previous occupational standard while new ones are developed, so that's the one to study.

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Updated October 2026 · Written from official sources, listed at the bottom of this page

What's on the millwright Red Seal exam?

Power transmission tops a list of six areas:

Major work activityQuestions
Mechanical power transmission components and systems32
Common occupational skills25
Material handling and process systems24
Fluid power systems21
Rigging, hoisting, lifting and moving17
Preventative and predictive maintenance, commissioning and decommissioning16

Questions are 30 to 40% knowledge and recall, 40 to 50% procedural and application, and 20 to 30% critical thinking.

How to pass the millwright Red Seal exam

  • Study from the previous standard, since that's what current exams use, and check the trade page near your exam date in case that changes.
  • Put the most time into power transmission, which carries 32 of the 135 questions.
  • Learn the formula sheet in advance. It covers rigging and sling stress, wire rope working load limits, shaft alignment shims, thermal expansion, gear pass frequency and surface speed.
  • Don't skip common occupational skills. At 25 questions, it's the second-biggest area.

What the trade is called

Industrial Mechanic (Millwright) in most places, Industrial Mechanic Millwright in Ontario, and Millwright - Industrial Mechanic in the N.W.T. and Nunavut. A millwright prep course is listed with its price on our where-to-learn page.

Red Seal exam prep compared →How to challenge the Red Seal exam →Red Seal practice exam →
Sources: Red Seal and 2 more. Checked October 2026.

Rules and fees can change, so check the official site before your test.

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