Question

List the four main propulsion systems.

Answer 1

1.Diesel propulsion systems

2.Gas turbine propulsion

3.Water jet propulsion

4.Fuel cell propulsion

Step-by-step explanation:

A propulsion system is a machine that produces a thrust needed to push an object forward. An example is a system used in airplanes and rockets. Antimatter is so far identified to be the most efficient propulsion system.