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Questions and Answers
Which principle is used by a gas turbine engine to provide force for an airplane?
Which principle is used by a gas turbine engine to provide force for an airplane?
- Newton's law of gravity
- Newton's law of thermodynamics
- Newton's law of motion (correct)
- Newton's law of conservation of energy
What does the turbofan engine do differently compared to the old pure turbojet engine?
What does the turbofan engine do differently compared to the old pure turbojet engine?
- It consumes less fuel and produces less noise
- It accelerates a smaller quantity of air at a faster rate
- It applies a force on the aircraft using Newton's law of gravity
- It accelerates a larger quantity of air at a slower rate (correct)
What happens to the mass of air within the gas turbine engine?
What happens to the mass of air within the gas turbine engine?
- It remains constant throughout the engine
- It is accelerated to decrease pressure and temperature
- It is accelerated to increase pressure and temperature (correct)
- It is decelerated to increase pressure and temperature
What is the main problem with the old pure turbojet engine?
What is the main problem with the old pure turbojet engine?
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What changes occur to the ambient air as it enters the inlet diffuser of the gas turbine engine?
What changes occur to the ambient air as it enters the inlet diffuser of the gas turbine engine?
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