Blimps and Non-Rigid Airships
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Questions and Answers

What is the main difference between blimps and semi-rigid/rigid airships?

  • Blimps have an internal structural framework
  • Blimps rely on the pressure of the lifting gas and the strength of the envelope to maintain their shape (correct)
  • Blimps have a keel
  • Blimps use hydrogen as the lifting gas

    • Which gas is typically used to maintain the shape of a blimp?

  • Helium (correct)
  • Hydrogen
  • Oxygen
  • Nitrogen

    • What are the only solid parts of a blimp?

  • The envelope and the tail fins
  • The passenger car and the envelope
  • The envelope and the gondola
  • The passenger car and the tail fins (correct)

    • What is a non-rigid airship that uses heated air as a lifting medium called?

    <p>Hot-air airship</p> Signup and view all the answers

    How are volume changes of the lifting gas compensated in a blimp?

    <p>By pumping air into internal ballonets</p> Signup and view all the answers

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