Card Set Information

2011-01-13 17:31:41

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  1. At the top of the troposphere, there is a transition zone called the ______.
  2. The two lower layers of the atmosphere are the ______ and ______,
    troposphere; stratosphere
  3. What describes the flight conditions found in the stratosphere?
    Generally smooth with excellent visibility.
  4. What is the standard temperature lapse rate of the atmosphere in °Celsius per 1000 feet?
  5. A condition where the air temperature aloft is higher than that of the lower atmosphere is generally referred to as ______,
    a temperature inversion
  6. What happens to the change in atmospheric pressure with increasing altitude?
  7. Correctly list the standard day conditions of sea level pressure, temperature, pressure lapse rate, and temperature lapse rate?
    29.92 in-Hg, 15° C, 1 in-Hg/1000', 2° C/1000'
  8. The horizontal distribution of pressure on the Earth’s surface is depicted on weather charts by
  9. The weight of the air mass over any point on the Earth’s surface defines ______.
    atmospheric pressure
  10. The quantities 1013.2 mb and 29.92 in-Hg are two different expressions for the ______.
    • standard atmospheric pressure at MSL and at a standard air temperature of
    • 15° C
  11. In the lower 5000 feet of the atmosphere, a decrease of one inch of mercury in atmospheric pressure would cause a change in an altimeter reading of approximately ________ feet assuming constant elevation and altimeter setting).
    plus 1000
  12. Which one of the following correctly describes the meteorological feature of a trough?
    An elongated area of relatively low pressure
  13. What pressure would have a value closest to that used as a Kollsman window setting for an altimeter in the U.S. (assuming an airfield above sea level)?
    Sea level pressure
  14. Density altitude is ______.
    an indicator of aircraft performance, not a height reference
  15. In which atmospheric layer does weather normally occur?
  16. If the air is colder than the standard atmosphere, the aircraft will be ______ than the altimeter indicates?
  17. The decrease in atmospheric temperature with increasing altitude is called?
    Lapse rate
  18. The transition zone between the troposhere and statosphere is identified by an abrupt change in lapse rate and frequently involves what?
    Turbulence, contrails, and haze
  19. What is station pressure?
    atmospheric pressure at an airfield or station, what is actually read on the altimeter
  20. Where do fronts exist?
    In troughs of low pressure