1w051: Air Force Weather Technician Trivia Quiz

239 Questions | Total Attempts: 99

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Air Force Quizzes & Trivia

Questions and Answers
  • 1. 
    How many degrees centigrade does the temperature decrease per 1,000 meters of altitude in the troposphere?
    • A. 

      3.5

    • B. 

      4.5

    • C. 

      5.5

    • D. 

      6.5

  • 2. 
    The stratosphere is characterized by
    • A. 

      Noctilucent clouds, a “D” layer, and excellent flying conditions.

    • B. 

      A constantly warming temperature, mother-of-pearl clouds, and generally poor flying weather.

    • C. 

      A maximum temperature of 7°C, the strongest concentration of ozone, dense cirrus clouds, and occasionally poor flying conditions.

    • D. 

      A temperature that remains isothermal to about 100,000 feet, the strongest concentration of ozone, and excellent flying conditions.

  • 3. 
    Above 13 miles, the radiation from the sun breaks down the oxygen in the atmosphere into
    • A. 

      Ozone gas.

    • B. 

      Argon gas.

    • C. 

      Carbon dioxide.

    • D. 

      Gaseous nitrogen.

  • 4. 
    Which statement best describes water vapor in the atmosphere?
    • A. 

      It absorbs ultraviolet radiation.

    • B. 

      The most the air can hold is 6 percent.

    • C. 

      The more water vapor, the lighter the air will be.

    • D. 

      It keeps the earth from becoming too hot by absorbing solar radiation.

  • 5. 
    The two atmospheric gases most responsible for the absorption of incoming solar radiation are
    • A. 

      Oxygen and ozone.

    • B. 

      Ozone and water vapor.

    • C. 

      Oxygen and water vapor.

    • D. 

      Ozone and carbon dioxide.

  • 6. 
    The driving mechanism that is mainly responsible for the earth’s large-scale atmospheric circulations is the
    • A. 

      Unequal heating of the earth.

    • B. 

      Rotation of the earth.

    • C. 

      Hadley cell.

    • D. 

      Polar cell.

  • 7. 
    Which force is described as any center-seeking force?
    • A. 

      Inertia.

    • B. 

      Coriolis.

    • C. 

      Centrifugal.

    • D. 

      Centripetal.

  • 8. 
    Which force is the “equal and opposite reaction” to the center-seeking force?
    • A. 

      Inertia.

    • B. 

      Coriolis.

    • C. 

      Centrifugal.

    • D. 

      Centripetal.

  • 9. 
    Centrifugal force (CeF) will increase when there is a decrease in
    • A. 

      Mass.

    • B. 

      Centripetal force.

    • C. 

      The speed of rotation.

    • D. 

      The radius of rotation.

  • 10. 
    Coriolis force (CoF) is created by
    • A. 

      The cyclonic rotation of the earth.

    • B. 

      The anticyclonic rotation of the earth.

    • C. 

      An opposing force to pressure gradient.

    • D. 

      An apparent force, and therefore, it does not exist.

  • 11. 
    If you throw a ball towards a stationary target from the window of a speeding vehicle, coriolis force (CoF) will cause the ball to miss the target
    • A. 

      To the right.

    • B. 

      To the left.

    • C. 

      Downward.

    • D. 

      Upward.

  • 12. 
    The force that is responsible for starting the horizontal movement of air over earth’s surface is
    • A. 

      Gravity.

    • B. 

      Coriolis.

    • C. 

      Centrifugal.

    • D. 

      Pressure gradient.

  • 13. 
    The balance of forces needed for gradient cyclonic circulation is pressure gradient
    • A. 

      Balanced against friction and coriolis forces (CoF).

    • B. 

      And friction balanced against centrifugal force (CeF).

    • C. 

      Balanced against coriolis and centrifugal forces.

    • D. 

      And centrifugal balanced against CoF.

  • 14. 
    The areas of low pressure that correspond to the belt of low pressure at 60°N created by the 3-cell circulation are the
    • A. 

      Icelandic and Asiatic lows.

    • B. 

      Icelandic and Aleutian lows.

    • C. 

      Aleutian and Asiatic lows.

    • D. 

      The Aleutian lows.

  • 15. 
    In relation to the jet core, the greatest vertical wind shear is usually located
    • A. 

      Above the strongest horizontal shear.

    • B. 

      Below the strongest horizontal shear.

    • C. 

      Above the jet core.

    • D. 

      Below the jet core.

  • 16. 
    In relation to the jet core, the greatest horizontal wind shear is usually located
    • A. 

      Above the jet core.

    • B. 

      North of the jet core.

    • C. 

      South of the jet core.

    • D. 

      At the jet core’s narrowest horizontal point.

  • 17. 
    The simplest method for locating the 500 millibar frontal zone is to
    • A. 

      Locate the 500 millibar maximum wind band.

    • B. 

      Locate the position of the –11° Centigrade isotherm.

    • C. 

      Locate the position of the –17° Centigrade isotherm.

    • D. 

      Find where the thermal concentration is more than 5° Centigrade in 200 miles.

  • 18. 
    The width of the jet stream core is approximately equal to the
    • A. 

      Width of the 500 millibar isotherm ribbon.

    • B. 

      Width of the 500 millibar maximum wind band.

    • C. 

      Distance between the –17° Centigrade and the –20° Centigrade isotherms at 500 millibar.

    • D. 

      Distance between the –20° Centigrade and the –26° Centigrade isotherms at 500 millibar.

  • 19. 
    Where are the greatest velocities located in relation to the subtropical jet (SJT)?
    • A. 

      In the region of difluence of the STJ and polar front jet (PFJ).

    • B. 

      In the region of confluence of the STJ and PFJ.

    • C. 

      The STJ’s eastern most extension.

    • D. 

      The STJ’S western most extension.

  • 20. 
    “Jet fingers”
    • A. 

      Often develop more than 400 miles apart.

    • B. 

      Suggest that the jet stream is beginning to dissipate.

    • C. 

      Are somewhat rare and usually occur either singly or in pairs.

    • D. 

      Are formed during periods when the jet stream is well organized and the core exceeds 100kts.

  • 21. 
    Converging contours downstream of the jet stream will cause the jet to
    • A. 

      Decrease in amplitude.

    • B. 

      Increase in amplitude.

    • C. 

      Deflect toward lower heights.

    • D. 

      Deflect toward greater heights.

  • 22. 
    Using average surface frontal slopes, how far ahead of the surface warm front is the jet stream located?
    • A. 

      300 miles.

    • B. 

      400 miles.

    • C. 

      500 miles.

    • D. 

      600 miles.

  • 23. 
    Which heat transfer process involves the transfer of energy by molecular motion from hot to cold objects?
    • A. 

      Radiation.

    • B. 

      Advection.

    • C. 

      Convection.

    • D. 

      Conduction.

  • 24. 
    Advection transfers temperature
    • A. 

      By electromagnetic waves.

    • B. 

      Horizontally by the wind.

    • C. 

      Vertically by the wind.

    • D. 

      By molecular motion.

  • 25. 
    What factors must a region possess in order to facilitate air mass formation?
    • A. 

      Uniform surface, stagnant air, and large-scale difluent flow.

    • B. 

      Must be over water, stagnant air, and large-scale difluent flow.

    • C. 

      Any nonuniform surface, stagnant air, and large-scale difluent flow.

    • D. 

      Must be over smooth land, stagnant air, and large-scale difluent flow.

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