Spacecraft Propulsion Methods Quiz
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Questions and Answers

What is the main focus of in-space propulsion?

  • Future space science and exploration needs
  • Space launch and atmospheric entry
  • Pragmatic spacecraft propulsion
  • Vacuum of space propulsion systems (correct)
  • Which propulsion system is commonly used for orbital station-keeping on most satellites?

  • Hall-effect thrusters
  • Chemical thrusters (correct)
  • Momentum wheels
  • Ion thrusters
  • Which propulsion technologies are intended to provide effective exploration of the Solar System?

  • Hypothetical in-space propulsion technologies (correct)
  • Ion thrusters
  • Resistojet rockets
  • Momentum wheels
  • What is the main method of propulsion for interplanetary vehicles?

    <p>Chemical rockets</p> Signup and view all the answers

    Which type of spacecraft propulsion has been used for north–south station-keeping and orbit raising in newer Western geo-orbiting spacecraft?

    <p>Electric propulsion</p> Signup and view all the answers

    Which propulsion method has a high specific impulse and low thrust?

    <p>Ion propulsion engines</p> Signup and view all the answers

    What is the main purpose of a spacecraft's propulsion system in space?

    <p>To change the velocity of the spacecraft</p> Signup and view all the answers

    What does a higher specific impulse indicate about a propulsion system's efficiency?

    <p>Higher efficiency</p> Signup and view all the answers

    What type of propulsion method is best suited for maneuvering in space over a long period of time?

    <p>Ion propulsion engines</p> Signup and view all the answers

    What is the main function of reaction control and orbital maneuvering systems in space?

    <p>Orbit maintenance and position control</p> Signup and view all the answers

    What is the primary purpose of the main engines used in space?

    <p>Provide primary propulsive force for orbit transfer</p> Signup and view all the answers

    What type of propulsion method is best suited for launching a spacecraft from Earth?

    <p>Chemical rockets</p> Signup and view all the answers

    What does a small acceleration over a long period of time allow a propulsion method to achieve?

    <p>$\small{\text{Impulse with large force}}$</p> Signup and view all the answers

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