Gas Turbine Engines and Newton's Law of Momentum Quiz
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Questions and Answers

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?

  • 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?

  • 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?

    <p>It consumes excessive fuel</p> Signup and view all the answers

    What changes occur to the ambient air as it enters the inlet diffuser of the gas turbine engine?

    <p>Its pressure and temperature increase</p> Signup and view all the answers

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