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# SHL Style Mechanical Comprehension Tests

• 10 tests |
• 80 questions

SHL’s mechanical comprehension test is used in the recruitment process to assess candidates’ knowledge of mechanics. It’s commonly encountered when applying for a technical position within an engineering firm, manufacturing company, or the armed forces.

## Free example SHL style mechanical questions

The three questions below serve as an example of the types of questions you’ll find on an SHL mechanical comprehension test. Have a go at working through the questions, then check your answers against the solutions underneath.

For more practice questions, see our free mechanical reasoning questions and answers. Each example question includes an answer explanation. For specific mechanical tests, check out our pages on Bennett mechanical tests and Ramsay mechanical tests.

What is the maximum weight that this lever could lift?

A) 100kg B) 200kg C) 300kg D) 400kg

Question 2

What force is required to lift the weight using the pulley?

A) 10kg B) 20kg C) 30kg D) 40kg

Question 3

If oil and water were added to a flask, which of the following would occur?

Solutions

1) The formula to calculate the force required to lift a weight using a lever is:

w x d1 = f x d2

w = weight

d1 = distance from fulcrum to weight

f = force needed to lift weight

d2 = distance from fulcrum to point where force is applied

If we plug what we can see from the diagram into the formula we are left with the following equation: ? x 40 = 400 x 40

? x 40 = 16,000

16,000 / 40 = 400

So the answer is D) 400kg

2) To calculate the force needed to lift the weight we need to identify how many of the sections of rope are load-bearing. Here there are 2 sections that are supporting the weight, meaning we divide the total weight by 2.

60/2 = 30

So the answer is C) 30kg

3) Oil is less dense than water so will sit on the surface.

## Sample SHL Style Mechanical Comprehension Tests question Test your knowledge!

Score: /5

Which of the following statements is true regarding an object sliding down an inclined plane with no friction?

• The object will accelerate at a rate of 9.8 m/s^2 regardless of the incline angle.
• The object will gain more kinetic energy as the angle of the incline increases.
• The mass of the object does not affect the speed of its descent.
• The object will move at constant speed regardless of the length of the incline.

If you tighten a bolt using a wrench, how does increasing the length of the wrench affect the force you need to apply?

• It increases the force needed.
• It decreases the force needed.
• It has no effect on the force needed.
• It depends on the material of the bolt.

What occurs when a material is compressed with a force greater than its compressive strength?

• It will return to its original shape once the force is removed.
• It will undergo permanent deformation or fracture.
• It will expand on the sides.
• It will not be affected at all.

In an electrical circuit containing a battery, resistor, and an LED in series, what happens if the resistance of the resistor is doubled?

• The brightness of the LED will increase.
• The brightness of the LED will decrease.
• The battery will last longer.
• There will be no change in the circuit behavior.

When using a pulley system to lift a weight, how does adding more pulleys affect the effort required to lift the weight?

• Increases the effort required.
• Decreases the effort required.
• Changes the direction of the effort required.
• Has no effect on the effort required.

Within two hours of practice I have improved my score from 50% correct to 88%.

Joseph used Practice Aptitude Tests to improve his numerical reasoning scores.

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## SHL Style Mechanical Comprehension Tests Tips

### 1Brush up on your mechanical knowledge

The SHL test will assess your understanding of technical mechanical elements such as levers, springs, pulleys, gears, and electrical circuits, as well as principles such as force, motion, and energy. It will require a good knowledge of tools and terminology, alongside awareness of how different mechanical components operate. This is a test that requires existing knowledge, so make sure yours is strong.

### 2Complete as many practice tests as possible

SHL has a practice mechanical comprehension test on its website, so be sure to try this. To achieve a high score on the test, you’ll need to hone your pace and freshen your skills by completing multiple online practice tests.

### 3Take the test in appropriate surroundings

To increase your chances of success, sit your mechanical comprehension test in a quiet environment, free from distractions. You’ll need to work at a fast pace, so you cannot afford any interruptions or diversions of your attention. Make sure you have everything you need, including a piece of paper for jotting down calculations.

### 4Check your equipment before the test

Before you begin the test, ensure your browser is updated and your internet connection is stable. The next question in the mechanical comprehension test loads once you’ve clicked submit on the one before, so you’ll want a good internet connection to ensure the questions load rapidly throughout the test.

Mechanical comprehension questions involve diagrams depicting different mechanical scenarios. Take the time to absorb the information that is being presented to you, so you can deduce its implications and perform the correct calculation. You need to work at a steady pace, but don’t rush, as this will lead you to overlook the details and make unnecessary mistakes.

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## Are SHL mechanical comprehension tests difficult?

The questions on the SHL mechanical comprehension test vary in difficulty: some will be straightforward and others very challenging. The difficulty of the test is increased by its timed nature and the rapid pace required to complete all the questions. Preparing using timed practice tests will ensure you are well equipped to pass your test.

## How are SHL mechanical comprehension tests scored?

SHL test scores are comparative, which means that your raw score is compared to a comparison group (or to comparison standards) chosen by your prospective employer or your recruiter. You’ll receive a percentile score, which will reveal your position relative to the comparison group. If you receive a percentile score of 85, this means you’ve scored better than 85% of candidates in your comparison group, not that you’ve answered 85% of the questions on the test correctly.

## How long is an SHL mechanical comprehension test?

The mechanical comprehension test is a relatively short test by SHL standards, lasting only 10 minutes. To pass, you’ll need to be able to work rapidly through the 15 questions in the test, without compromising your accuracy.

## What knowledge of mechanical comprehension does an SHL test cover?

To succeed on your SHL test, you’ll need to feel confident identifying and applying key principles, such as force, movement, hydraulics, velocity, and simple electronics. Questions are likely to involve gears, levers, pulleys, belts, and circuits.

## 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