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Millwright & Industrial Mechanic Aptitude Test

Prepare for industrial mechanical aptitude tests covering Bennett mechanical comprehension, alignment principles, spatial relations, and precision shop math.

$88,000+

Journeyman Wage

70%

Passing Cutoff

Timed

No Calculator

Start Your Millwright Aptitude Preparation

Open your study workspace to access section quizzes, timed simulations, or take the free 15-question diagnostic.

1. Written Exam Sections

Mechanical Comprehension
~35 Qs

Shafts, couplings, gear trains, hydraulic circuits, and bearings

Shop Mathematics
~25 Qs

Precision measurement (0.001"), tolerances, clearance, and geometry

Technical Comprehension & Safety
~20 Qs

Overhead crane rigging, sling tension, and machinery lockout/tagout

2. Millwright & Industrial Mechanic Suite

Precision alignment to .001", gear train speed calculations, and UBC interview rubric.

Frequently Asked Questions

What is tested on the Millwright entrance exam?

The Millwright apprentice exam evaluates mechanical comprehension (gear trains, belt/chain drives, bearings, alignment, hydraulics), precision shop math (micrometers, dial calipers, tolerances, Pythagorean theorem), and industrial safety (rigging, crane signals, LOTO).

What unions represent millwrights?

Millwrights are represented primarily by the United Brotherhood of Carpenters (UBC Millwrights) and the International Association of Machinists and Aerospace Workers (IAMAW).

What is the passing score?

A minimum qualifying score of 70% is standard to proceed to the oral interview and hands-on mechanical evaluation.