Mechanical Reasoning Practice Test

This is a practice mechanical reasoning test that simulates a real mechanical reasoning aptitude test. 

The test has 10 questions and you should aim to complete the test within 15 minutes.

All questions are multiple-choice. 

Make sure you read a question in full before answering.

Answers and explanations to the questions are provided at the end of the test.

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Mechanical Reasoning: question 1 of 10

Campers are trying to start a fire using only the sunlight and a magnifying glass. When they are holding the magnifying glass 15 inches away from the wood, it starts to smoke. How close to the wood should they hold the magnifying glass in order to create a fire?

Mechanical Reasoning: question 2 of 10

A child playing with a stone on a string makes the motion of a circle around him. If the string suddenly tears, in which direction will the stone fly?

Mechanical Reasoning: question 3 of 10

At what distance from the left weight does the fulcrum have to be placed to balance the following lever if the distance between the weights is 15 cm?

Mechanical Reasoning: question 4 of 10

On which pole does the weight press harder? Please select answer option '3' if the weight pressed is equal on both sides.

Mechanical Reasoning: question 5 of 10

A sealed tight cylinder is completely filled with gas. When the piston moves from position A to position B, the pressure in the gas part of the cylinder...

Mechanical Reasoning: question 6 of 10

The diagram shows two fixed cogwheels which can only rotate around their own axis. A rack is inserted between the two cogwheels and is moved in the direction shown by the arrow. What are the directions of movement and velocities of revolution of the cogwheels?

Mechanical Reasoning: question 7 of 10

Base your answer to the following questions on the figure below. The total resistance of the circuit is:

Mechanical Reasoning: question 8 of 10

The following diagram depicts boxes piled in a stack. Each box is of similar size and must be placed either on the ground or on another box. One of the boxes is marked by a red X. A box touches another box if they have at least one adjacent face or edge (not including vertices). How many other boxes touch the marked box?

Mechanical Reasoning: question 9 of 10

Which of the four possible options represent the cube in its folded form?

Mechanical Reasoning: question 10 of 10

Which of the five combinations is a rotation of the top combination?