Aircraft Systems, Part 1 Trivia Questions

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  • 1. 
    Atmospheric pressure at sea level is
    • A. 

      14.7 pounds per square inch (psi)

    • B. 

      17.4 psi

    • C. 

      29.92 psi

    • D. 

      29.29 psi

  • 2. 
    A barometer is designed to measure pressure in
    • A. 

      Pounds per square inch (psi)

    • B. 

      Inches of mercury

    • C. 

      Milibars of alcohol

    • D. 

      Ounces of air

  • 3. 
    The primary force an airfoil has to defeat is
    • A. 

      Lift

    • B. 

      Drag

    • C. 

      Thrust

    • D. 

      Weight

  • 4. 
    The force that acts upward at a right angle to the direction of the relative wind is
    • A. 

      Lift.

    • B. 

      Drag.

    • C. 

      Thrust.

    • D. 

      Weight.

  • 5. 
    The force that acts parallel to the relative wind is
    • A. 

      Lift.

    • B. 

      Drag.

    • C. 

      Gravity.

    • D. 

      Weight.

  • 6. 
    The stress that resists the force tending to cause one layer of material to slide over an adjacent layer is called
    • A. 

      Bending.

    • B. 

      Tension.

    • C. 

      Torsion.

    • D. 

      Shear.

  • 7. 
    What is the design that uses any combination of longerons, stringers, bulkheads, and frames in the construction of the fuselage called?
    • A. 

      Fuselage.

    • B. 

      Longerons.

    • C. 

      Monocoque.

    • D. 

      Semi-monocoque.

  • 8. 
    The structural members used to give shape to the aircraft and provide a means for attaching the skin to the structure are called
    • A. 

      Longerons.

    • B. 

      Bulkheads.

    • C. 

      Stringers.

    • D. 

      Frames.

  • 9. 
    The most common type of material used for fuselage construction is
    • A. 

      Steel.

    • B. 

      Titanium.

    • C. 

      Magnesium.

    • D. 

      Aluminum alloy.

  • 10. 
    The wing design used on most modern military aircraft is
    • A. 

      Cantilever.

    • B. 

      Monocoque.

    • C. 

      External braced.

    • D. 

      Semi-monocoque

  • 11. 
    The fixed vertical surface of the empennage is called the
    • A. 

      Stabilator.

    • B. 

      Elevator.

    • C. 

      Rudder.

    • D. 

      Fin.

  • 12. 
    Engine mounts are typically made of corrosion-resistant steel that is able to withstand forces of
    • A. 

      120,000 to 140,000 pounds per square inch (psi).

    • B. 

      150,000 to 170,000 psi.

    • C. 

      180,000 to 200,000 psi.

    • D. 

      210,000 to 230,000 psi.

  • 13. 
    The main difference between inspection plates and panels is
    • A. 

      Size.

    • B. 

      Material.

    • C. 

      Location.

    • D. 

      Installation.

  • 14. 
    A network of ultra cracks that form on or under the surfave of transparent pastics is called
    • A. 

      Crazing.

    • B. 

      Casting.

    • C. 

      Fretting.

    • D. 

      Pitting.

  • 15. 
    What are the reference locations in the vertical direction measured from a reference datum that is usually well below the aircraft called?
    • A. 

      Buttlines.

    • B. 

      Waterlines.

    • C. 

      Buttock stations.

    • D. 

      Fuselage stations.

  • 16. 
    Movement about the vertical axis is called
    • A. 

      Roll.

    • B. 

      Yaw.

    • C. 

      Crab.

    • D. 

      Pitch.

  • 17. 
    Which flight control surface is a longitudinal control surface
    • A. 

      Rudder.

    • B. 

      Aileron.

    • C. 

      Elevator.

    • D. 

      Wing flaps.

  • 18. 
    Wich of these is attached to the trailing edge of a horizontal stabilizer?
    • A. 

      Flap.

    • B. 

      Spoiler.

    • C. 

      Rudder.

    • D. 

      Elevator.

  • 19. 
    When making a right turn, the relative position of the ailerons is the right aileron trailing edge is
    • A. 

      Up, left aileron trailing edge is up.

    • B. 

      Up, left aileron trailing edge is down.

    • C. 

      Down, left aileron trailing edge is up.

    • D. 

      Down, left aileron trailing edge is down.

  • 20. 
    The purpose of wing flaps is to
    • A. 

      Increase lift and drag.

    • B. 

      Decrease lift and drag.

    • C. 

      Increase lift and decrease drag.

    • D. 

      Decrease lift and increase drag.

  • 21. 
    The purpose of aircraft trim systems is to
    • A. 

      Reduce the amout of lift.

    • B. 

      Prevent the aircraft from stalling.

    • C. 

      Correct minor deviations in flight attitude.

    • D. 

      Improve augmented lateral control surface movement.

  • 22. 
    Matter is any substance that has mass and
    • A. 

      Can be seen.

    • B. 

      Occupies space.

    • C. 

      Has constant volume.

    • D. 

      Cannot be compressed.

  • 23. 
    Atoms are made up of
    • A. 

      Molecules, protons, neutrons.

    • B. 

      Protons, molecules, electrons.

    • C. 

      Molecules neutrons, electrons.

    • D. 

      Protons, neutrons and electrons.

  • 24. 
    Electrons can be released from their outer orbit by all of the following forces except
    • A. 

      Heat.

    • B. 

      Cold.

    • C. 

      Chemical action.

    • D. 

      Changing magnetic field.

  • 25. 
    What is the electrical pressure that causes electrons to flow through the conductor called?
    • A. 

      Chemical swap.

    • B. 

      Crossfeed field.

    • C. 

      Electromotive force.

    • D. 

      Tranferring magnetic field.

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