# Some of mechanical apptitude test

• zizodev
In summary, the conversation is discussing the direction in which a toothed axe system will move when a force is applied to it. The system consists of five gears on a circular axle, with alternate gears rotating in opposite directions. The consensus is that the system will become jammed due to the even number of gears in the circle. The possibility of the system moving to the left or right is also mentioned, but ultimately deemed unlikely.
zizodev
hi everybody..

## Homework Statement

we gave a force to this system (shwon in image) direction to the left;what will happen to this system (toothed axe) will move to the left or to the right or will be jammed?

http://data.imagup.com/10/1146213664.jpg

Last edited:
welcome to pf!

hi zizodev! welcome to pf!

tell us what you think, and then we'll comment!

i think will be jammed(frozzen)..:)

yes, but why?

you have to give a reason!

(hint: if we treat the two gears on the same axle as one, there are 5 gears in a circle )

yeah, because the (2 gear connected with axe) will turn Anticlockwise,the 3 rd gear will turn clockwise,the 4th anticlokwise,the last one will turn clockwise (and that the rank will slide to the left and the originel force given will make the rank slide to the left and that will make the system jammed! and what about the C choice is there possibility to occure.

that's right!

a more general reason:

since alternate gears go opposite ways, any circle of gears that is not fixed must have an even number of gears

thank you tiny-tim for your help :)

## 1. What is a mechanical aptitude test?

A mechanical aptitude test is a type of assessment that measures an individual's ability to understand and apply mechanical concepts and principles. It typically includes questions related to spatial awareness, mechanical reasoning, and mechanical comprehension.

## 2. Why do companies use mechanical aptitude tests in their hiring process?

Companies use mechanical aptitude tests to assess a candidate's potential for success in mechanical or technical roles. These tests can help employers identify individuals with the necessary skills and abilities to excel in these positions.

## 3. What types of questions are typically included in a mechanical aptitude test?

Mechanical aptitude tests may include questions on topics such as basic mechanics, electrical circuits, and tools and measurements. They may also include visual puzzles or diagrams that require problem-solving skills.

## 4. How can I prepare for a mechanical aptitude test?

To prepare for a mechanical aptitude test, it is important to review basic mechanical concepts and principles, practice solving mechanical problems, and familiarize yourself with different types of tools and measurements. You can also find practice tests and study guides online.

## 5. Are mechanical aptitude tests timed?

Yes, most mechanical aptitude tests are timed. This is to assess a candidate's ability to work efficiently and under pressure, which is often necessary in mechanical or technical roles. It is important to manage your time effectively during the test to complete as many questions as possible.

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