Top Engineering Fields in the World

How Engineering Works ?

Engineers work in a similar way to scientists, but their job is different. While scientists perform experiments to test theories about the world, engineers aim to solve specific human problems by inventing or constructing something.

Types of engineers

Most engineers concentrate on a specific sort of engineering, allowing them to create up expert knowledge and knowledge . There are many branches of engineering, but most belong to at least one of 4 main classes: civil, mechanical, electrical, and chemical engineering.

Civil engineering

Civil engineers work with large structures, such as buildings, roads, bridges, and tunnels. They use 
math and physics to ensure that designs are safe and strong. Many also got to realize materials science and natural science .

Mechanical engineering

Mechanical engineers create machinery, from cars and aircraft to robots. They need a good knowledge of math, physics, and materials 
science, and like many other engineers they use CAD (computer-aided design) for making models.

Electrical engineering

Electrical engineers design and manufacture electrical devices, from tiny microprocessor chips in electronic devices to the heavy-duty machinery used to generate electricity. Understanding math and physics is essential for electrical engineers.

Chemical engineering

Chemical engineers use their knowledge of chemistry and other sciences to design, build, and run factories that manufacture chemicals on a large scale. They work in many different fields, 
including oil refining and drug manufacturing.

The engineering design process

All kinds of engineers follow an equivalent basic process when solving a problem. This involves a series of steps, some of which are repeated over and over as a design or model is tested and improved.


The first step is to ask what the problem is and find out as much detail about it as possible. For instance, the problem might be to create a new river crossing. How many people need to travel and how often? Are there any nearby roads? How wide and deep is the river?


The next step is to think of many possible solutions. Use your imagination. You could build abridge, dig a tunnel, or use boats to ferry cars over the river. Consider the merits, drawbacks, and costs of each idea, and choose the best one to develop further.


After deciding which idea to work on, you need to do some planning. If you want to build a bridge, draw sketches. How large will it's , how will it's supported, and what materials will you employ to create it? Model Next you would like to create a model of your chosen design. This could be a scale model made up of plastic, wood, or metal, or it'd be a digital model made on a computer employing a CAD program.

4.Test and improve

Once the model is made , test it to ascertain how well it works. Is there a problem? If so, revise the model and test again. Many cycles of testing and revising might be needed. The models that undergo testing are called prototypes.


The final step is to share your results by writing a report or doing a presentation. Professional engineers present their results to the client that hired them to solve the problem. If the client decides to go ahead and build and manufacture the thing , the engineer helps thereupon process too.

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