Hello! Do you know there are 4 types of turbojet engines? Turbojet engine is one of them. This is the illustration of a turbojet engine. There are 4 main sections: Inlet, compressor, combustion chamber, and nozzle. There are disadvantages of turbojet engines. The speed of exhaust is too fast. If the exhaust is too fast, it is not efficient and create noise. Thanks:)