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Considering the information about engines and propellers...

Considering the information about engines and propellers used in aircraft and their components, select the correct alternative.


A

Engines are characterized by compressing the working fluid after adding heat.


B

Turbo jets, stato jets and pulse jets accelerate in greater amounts of air through a greater change in speed.


C

The propellers of an aircraft equipped with turboprop engines accelerate a large mass of air through a small change in speed.


D

The fluid (air) used for the propulsion force is in the same quantity as that used in the engine to produce mechanical energy.