What type of engines are designed to use petroleum?
Answer:
Well, any kind potentially can, except for maybe the electric motor.
If you define "engine" as any device that consumes a fuel to produce energy, the general categories are:
Internal combustion
External combustion
Fuel cell
Reaction/thrust
Internal combustion is the good old car engine, with fuel being burned inside the engine.
External combustion is used in most large steam-turbine engines. The fuel is burned to heat steam, and the steam drives a turbine. Still used in large, fast ships.
Fuel cells can use petroleum products, or any flammable fuel if designed correctly. These produce electricity directly from the reaction of fuel "burning."
Reaction/thrust engines burn fuel and throw it out the back to move the engine forward. Turbojets, turbofans and rockets all fall in this category.
Am I missing any categories of engines?
Internal combustion - reciprocating piston with spark ignition, diesel, Wankel, gas turbine, ram jet, etc.
As Petrol, Diesel and Propane are petroleum derivatives, then Internal combustion engines use petroleum.
Gas turbines are Internal combustion engines too.
They can use any of the above, (the heavier liquids have to be vaporised before use). Natural gas is generally used in these machines.
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