Millwright Aptitude Test Online Preparation with Free Practice Questions – 2025

What is the Millwright Aptitude Test?

The Millwright Aptitude Test is a trade apprenticeship exam assessing applicants’ thinking and problem-solving ability. The test is used throughout the U.S. and Canada to screen for qualified candidates in various apprenticeship programs.

The specifics of the test format and topics covered will depend on which version of the exam you take. There are three versions of the Millwright Aptitude Test based on where you live:

• Alberta Millwright Exam
• Ontario Millwright Exam
• S. Millwright Exam

In general, the exam will cover some combination of the following subjects:

Math

All three versions of the exam will have a mathematical reasoning section. This section ranges in difficulty and will ask questions from the following subject areas:

• Basic numeracy
• Arithmetic
• Fractions, percentages, and decimals
• Algebraic calculations
• Conversion tables
• Formula applications
• Basic geometry
• Diagrams and charts

Because the apprenticeship will be technical, the purpose of the mathematical section is that you can apply mathematical concepts correctly to solve real-world problems.

Tip: Before submitting an answer, try plugging your answer choice into the formula or calculation. If the answer still turns out the same, that is the correct answer.

Sample Question

4.32 + 5.78 = ?

9. 1
10. 9
11. 1
12. 9

Answer

The correct answer is C.

Science

The Alberta Millwright Aptitude Test will include a science section. This exam will consist of 45 questions and focus on physical properties you should be familiar with. There may also be some math involved. Be prepared to perform some arithmetic and introductory algebra and to use formulas to solve problems.

Tip: Don’t forget your common sense during this question. Math and science can feel intimidating, but in some of these questions, you may be able to eliminate answer choices that don’t make sense quickly.

Sample Question

Using the standard formula distance = rate x time, let’s say you drive to your grandmother, who lives 300 miles away. If you want to get there in 4 hours, how fast will you need to drive (assuming no stops or acceleration)?

1. 70 mph
2. 75 mph
3. 80 mph
4. 85 mph

Answer

The correct answer is B.

Mechanical Aptitude

The U.S. and Ontario exams will include a mechanical aptitude exam. Because the Millwright Aptitude Test is screening for trade apprenticeships, it makes sense that test-takers must show their ability to apply mechanical and physical concepts.

The questions on this exam will sometimes include diagrams to represent the concept the question is demonstrating visually. The questions will likely be about gears, wheels, pulleys, and other machinery.

Tip: Before taking the mechanical aptitude test, brush up on mechanical and physical concepts. These questions will be mainly about applying the concepts, so you will want to understand the material thoroughly.

Reading Comprehension

All three versions of the Millwright Aptitude Test will also include a reading comprehension section. All applicants need to be able to read, comprehend, and apply information, as well as be able to write about their work correctly.

The reading comprehension section will present several text passages; test takers must read the narrative and answer questions about it. The questions may be anything from spelling and grammar to drawing conclusions based on the information provided.

Tip: Read each passage and question carefully. The text passage will contain all the information you need to answer the question. Therefore, you’ll want to read carefully and use context clues to answer the questions.

Sample Question

Todd is an electrician. He owns his own company and has regular customers that he services. One day, Todd received a call from an unknown customer asking him to look at some wiring in their new house. When he arrived at the scene, he saw that the previous electrician had done an abysmal job with the wiring. Thankfully, Todd could fix their issues, and the homeowner said they would call Todd for any future electrical needs.

Which one of the following would best replace ‘an abysmal’ while maintaining the meaning of the passage?

1. a horrible
2. an awesome
3. an okay
4. a quick

Answer

The correct answer is A.

Tool Recognition

The Ontario Millwright Aptitude Test will also include a tool recognition section. Mechanics, machinists, and other trade workers use many tools to build and repair equipment. As an apprentice, you must have a firm understanding of the different tools and when it is most appropriate to use each one.

Tip: Using flashcards and other study tools is a great way to familiarize yourself with standard tools and how to use each. Having this foundation is necessary to do well on the exam.

Sample Question

What tool would you use to measure the length of an object?

1. Caliper
2. Edge Finder
3. End Mill
4. Center Punch

Answer

The correct answer is A.

Spatial Reasoning

U.S. versions of the Millwright Aptitude Test will often include a spatial reasoning section. The exam may present this section along with mechanical reasoning, but the purpose of the spatial reasoning section is to assess your ability to manipulate objects mentally and to imagine them from different vantage points.

Tip: Pay attention to the details in each question and answer choice. Often, spatial reasoning questions have similar answer choices, so look at every detail and don’t rush through the question.

Sample Question

The following is a cube in its folded form. In the cube, which color is on the opposite side from the Black side?

1. Red
2. Blue
3. Purple
4. Yellow

Answer

The correct answer is D.

How to Prepare for the Millwright Aptitude Assessment?

The Millwright Aptitude Test is a required entrance exam for many applicants seeking to join a trade apprenticeship. Doing well on the Millwright exam is required to secure your spot and jumpstart your career. Those who take the time to study and prepare for the exam will do their best on the test.

Study guides and practice tests are the best resources to prepare for the exam.

Study guides are a great resource, especially for the exam’s mechanical aptitude and tool recognition portions. These will provide a quick reference on all of the information you need to know going into the exam and help you narrow down what aspects of the test you need to focus on in your studies.

Another great resource is practice tests. Practice tests will give you sample questions similar to what you will encounter on the exam. These are particularly useful for the math, science, and reading subsections. Practice tests will also give you complete solutions to understand better what you got correct and incorrect and why.

Applicants who prepare for the Millwright Aptitude Test have a better chance of success in the application process. Therefore, give yourself enough time to study and use practice tests and study guides during preparation.