What is the difference between turbojet and turbofan ?
A.
In the turbojet, all the air flow is cusumed in the combustion chamber. In turbofan, there is an other air flow, created by the fan.
B.
One ends by fan and the other by jet
C.
The size of the engine
6.
In early time, all kind of planes flew with a combustion engine.Now , only tourist plane use this kind of engine .
A.
true
B.
false
7.
To improve the perfomance of your engine, you need to increase the air flow which enters system.What is the name of this piece which is able to increase the air flow ?
A.
turbine
B.
combustion chamber
C.
compressor
D.
fan
8.
what is the biggest avantages of turbojet compared to other engines ?
A.
low cost
B.
low-power consumption
C.
Sound reduction
D.
ligther weight
9.
the purpose of after burners is to :
A.
Create a depression to improve the speed of ur plane
B.
Take more flow air to reduce the consumption
C.
Inject some extra fuel , behind the turbine to increase the speed of your engine
