The engine suitable for hypersonic vehicles is ____.
A. Turbojet
B. Fanjet
C. Propjet
D. Ramjet
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The expansion stroke of a piston engines is ____.
A. Intake
B. Compression
Combustion
D. Exhaust
The most basic type of air jet engine is ____.
A. Turbojet
B. Fanjet
C. Propjet
D. Ramjet
The civil turbofan engine with good performance now has a bypass ratio nears ____.
A. 6
B. 8
C. 10
D. 12
Which of the follow aircraft's engine equipped with thrust vectoring technology? ____.
A. First generation
B. Second generation
C. Third generation
D. Fourth generation
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