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# Bennett Mechanical Comprehension Tests

• 10 tests |
• 80 questions

The Bennett Mechanical Comprehension Test demonstrates your ability to understand mechanical concepts and apply them to solve problems. It has been used for more than 60 years in various forms as a screening and capability test for military, engineering and other technical roles.

## Free practice mechanical questions

As with all other aptitude tests, one of the most important things you can do to improve your score is to practice.

With the practice questions below, you will be able to see the layout and check that you are comfortable with the way you need to answer. Solutions follow beneath the questions.

### Mechanical practice question 1

What force is required to lift this weight?

• A) 30kg
• B) 50kg
• C) 100kg
• D) 150kg

### Mechanical practice question 2

If two cogs are turning together, one with 30 teeth and the other with 20, how many revolutions would the smaller cog have turned if the larger cog had rotated 15 times?

• A) 21
• B) 21.5
• C) 22
• D) 22.5

### Mechanical practice question 3

Which container is being represented in this graph as it is filled with water?

### Solutions

Question 1: There are 6 sections of rope supporting the weight, meaning we must divide the total weight by 6. 300 / 6 = 50kg (B).

Question 2: The smaller cog rotates 1.5 times quicker than the larger as there are 1.5 times more teeth on the latter cog. This means that is the cog with 30 teeth has rotated 15 times, the smaller cog will have turned 1.5 times more. So 15 x 1.5 = 22.5 (D).

Question 3: The steepest lines on the graph represent the thinnest part of the container, as this is the part of the container that would become fuller quicker. This graph represents a container that starts thin, gradually becomes wider and then becomes thin again at the top. The answer is B.

## Sample Bennett Mechanical Comprehension Tests question Test your knowledge!

Score: /5

When two bar magnets are placed close to each other with their opposite poles facing each other, what will occur?

• They will repel each other
• They will attract each other
• Magnetic field will be cancelled
• No interaction will occur

If a lever has a fulcrum placed one-quarter of the way along its length, how much force is needed at one end to lift a 100kg weight placed at the other end?

• 25kg force
• 100kg force
• 400kg force
• 300kg force

A spiral spring is compressed by 10cm under a load of 5N. What is the spring constant?

• 0.5 N/cm
• 2 N/cm
• 10 N/cm
• 50 N/cm

What happens to the resistance when the length of a wire is doubled and its diameter is halved?

• It remains the same
• It doubles
• It increases by a factor of eight

What is the primary function of a gearbox in a vehicle?

• To provide power to the wheels
• To reduce the engine speed to manageable levels
• To increase the vehicle's top speed
• To steer the vehicle in the right direction

I learnt exactly where I needed more practice and could focus on improving those areas.

Lora used Practice Aptitude Tests to keep track of her practice and progress.

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## Bennett Mechanical Comprehension Tests Tips

The questions are usually not complicated, so take some time to read them thoroughly and it will help you to understand how best to answer.

### 2Use the graphics

Each question is accompanied with a graphic or image that demonstrates the mechanical law that is being assessed. The answer is in the image – you just need to apply the correct mechanical reasoning.

### 3Practice

It might seem obvious, but the best way to prepare and succeed in a mechanical reasoning test is to practice. Pearson has stated that those who practice regularly can increase their score by 4 points on average – and while that might not seem like much, it could be the difference between a pass and a fail.

### 4Be quick

With 55 questions to answer in just 25 minutes, there is not a lot of time to spend on each one. This means that you need to be able to answer quickly as well as accurately to be successful.

Unlike some other types of aptitude tests that require you to use only the information in front of you, the Bennett Mechanical Comprehension Test makes use of your prior knowledge and also your competence at physics and mechanics.

## Mechanical Reasoning Video Tutorials

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## Is the BMCT hard?

The structure and language of the Bennett Mechanical Comprehension Test is not designed to be difficult. In fact, it is aimed at a sixth-grade level. The difficulty of the BMCT comes from the application of this relatively basic knowledge to answer questions – and doing it quickly.

## What are basic mechanical skills?

Some of the basic principles that you might need to understand include: pulleys; force and movement (Newton’s three laws of motion, friction and gravity); fluids (hydraulics, the ideal gas law, Bernoulli’s principle); thermodynamics (heating, cooling, evaporation and condensation); electricity (Ohm’s Law, circuits); wheels (rotational and linear velocity, the relationship between wheel size and speed); gears (direction of rotation, gear ratio); acoustics (refraction, reflection, the Doppler effect, attenuation); optics (principles of light, reflection and sight).

## Where can I practice mechanical reasoning tests?

To get started, you can practice some free mechanical comprehension tests on our mechanical reasoning tests page.

## What are mechanical reasoning tests used for?

Mechanical reasoning tests are generally used to assess how well the test taker can apply mechanical principles to solve problems in a practical environment. As part of the recruitment process, these tests can show whether an applicant has a natural affinity for mechanics and would be successful in a role where this is needed.

## Reviews of our Mechanical Reasoning tests

What our customers say about our Mechanical Reasoning tests

• United States of America

October 14, 2023

#### Clear questions and good graphics

I liked how the questions were framed. I also thought the graphics were fairly easy to understand. I wish there could be more questions, and that it would score you as you go.

• Australia

September 13, 2023

#### Good

Even though I had plenty of time left it made me feel a little nervous. I was trying to rush a little. But good questions

• United States of America

September 05, 2023

#### Decent warm-up

I like how this short test gives you a taste of quick decision-making in a timed environment without knowing what to expect in the next question

• United States of America

May 23, 2023

#### Kroger's test

I was able to attempt 6/8. It was due to external distraction. Make sure that your surroundings are calm.

• Pakistan

May 03, 2023

#### Good diversity in questions

Having done more than a few mechanical tests on the internet today, I found this test has a more diverse set of question than the others.

• United States of America

April 21, 2023

#### Interesting and challenging

I like the fact that it has a wide array of questions. It makes you think about what your answer might be, so you don't rush to an answer

• Australia

April 13, 2023

#### I like the 'show solution' feature

I like how there is a solution with reasoning. It helps with understanding concepts that I'm not sure of.

• United States of America

March 24, 2023

#### Understanding polarity and revolutions per second concept

I liked that this test switch up the thinking method to find each answer. Each question made you think with a different logic.

• United States of America

March 22, 2023

#### Pay attention to detail

I like that it was simple, however it doesn’t have much detail on its questions forcing you to imagine and use as much logic as possible.

• United States of America

February 08, 2023

#### Easy to learn

I like how much they explain every answer to the question thoroughly to help understand the answer better