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 specialize in a particular type of engineering, allowing them to build up expert knowledge and experience. There are many branches of engineering, but most belong to one of four main classes: civil, mechanical, electrical, and chemical engineering.

Types of engineers

Most engineers specialize in a particular type of engineering, allowing them to build up expert knowledge and experience. There are many branches of engineering, but most belong to one of four main classes: civil, mechanical, electrical, and chemical engineering.

I-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 need to know about materials science and earth science.

II-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.

III-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.

IV-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.

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