What is the main difference between an internal combustion engine and an external combustion engine?

Question

Responses

An internal combustion engine doesn't have a cylinder and a piston.
An internal combustion engine doesn't have a cylinder and a piston.

An external combustion engine doesn't have a cylinder and a piston.
An external combustion engine doesn't have a cylinder and a piston.

The burning of fuel occurs inside the cylinder with the piston in an internal combustion engine.
The burning of fuel occurs inside the cylinder with the piston in an internal combustion engine.

The burning of fuel occurs inside the cylinder with the piston in an external combustion engine.

Answer 1

The main difference between an internal combustion engine and an external combustion engine is the location of the burning of fuel. In an internal combustion engine, the fuel is burned inside the cylinder with the piston. In contrast, in an external combustion engine, the burning of fuel occurs outside of the cylinder with the piston.