Mechanical engineering is an engineering branch that combines engineering physics and mathematics principles with materials science to design, analyze, manufacture, and maintain mechanical systems. It is one of the oldest and broadest of the engineering branches.

What do mechanical engineers do?

Mechanical engineers design power-producing machines, such as electric generators, internal combustion engines, and steam and gas turbines, as well as power-using machines, such as refrigeration and air-conditioning systems. Mechanical engineers design other machines inside buildings, such as elevators and escalators.

Do mechanical engineers make a lot of money?

The national average annual wage of an mechanical engineer is $92,800, according to the BLS, roughly $40,000 more than the average annual salary for all occupations, $51,960. Of course, you don't get that salary everywhere. ... Below is a list of the top-10 highest-paying states for mechanical engineers.