Instrument Written Test Questions.txt

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Author:
sheilac
ID:
149439
Filename:
Instrument Written Test Questions.txt
Updated:
2012-04-22 22:03:12
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Instrument
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FAA Instrument Written Test study questions
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  1. 4097. A characteristic of the stratosphere is
    A. An overall decrease of temperature with an increase in altitude.
    B. Relatively small changes in temperature with an increase in altitude.
    C. a relatively even base altitude of approximately 35,000 feet.
    A. An overall decrease of temperature with an increase in altitude.
    (this multiple choice question has been scrambled)
  2. 4154. The average height of the troposphere in the middle latitude is
    A. 20,000 feet
    B. 37,000 feet
    C. 25,000 feet
    B. 37,000 feet
    (this multiple choice question has been scrambled)
  3. 4227. Which feature is associated with the tropopause?
    A. Absence of wind and and turbulent conditions
    B. Abrupt change in temperature lapse rate
    C. Absolute upper limit of cloud formation
    B. Abrupt change in temperature lapse rate
    (this multiple choice question has been scrambled)
  4. 4155. A jet stream is defined as wind of
    A. 40 knots or greater
    B. 50 knots or greater
    C. 30 knots or greater
    B. 50 knots or greater
    (this multiple choice question has been scrambled)
  5. 4168. The strength and location of the jet stream is normally
    A. Stronger and farther north in the winter
    B. Stronger and further north in the summer
    C. weaker and farther north in the summer
    C. weaker and farther north in the summer
    (this multiple choice question has been scrambled)
  6. 4096. The primary cause of all changes in the earth's weather is
    A. Movement of the air masses.
    B. Variation of solar energy received by the Earth's regions
    C. changes in air pressure over the Earth's surface
    C. changes in air pressure over the Earth's surface
    (this multiple choice question has been scrambled)
  7. 4095. How much colder than standard temperature is the forecast temperature at 9,000 feet, as indicated in the following excerpt from the Winds and Temperatures Aloft Forecast.
    FT. 6000 9000
    0737-04. 1043-10
    A. 7*C
    B. 3*C
    C. 10*C
    A. 7*C
    (this multiple choice question has been scrambled)
  8. 4113. If the air temperature is +8*C at an elevation of 1,350 feet and a standard (average) temperature lapse rate exists, what will be the approximate freezing level?
    A. 3,350 feet MSL
    B. 9,350 feet MSL
    C. 5,350 feet MSL
    C. 5,350 feet MSL
    (this multiple choice question has been scrambled)
  9. 4094. A common type of ground or surface based temperature inversion is that which is produced by
    A. the movement of colder air over warm air, or the movement of warm air under cold air
    B. ground radiation on clear, cool nights when the wind is light
    C. Warm air being lifted rapidly aloft in the vicinity of mountainous terrain
    B. ground radiation on clear, cool nights when the wind is light
    (this multiple choice question has been scrambled)
  10. 4112. The most frequent type of ground- or surface-based temperature inversion is that produced by
    A. The movement of colder air under warm air, or the movement of warm air over cold air
    B. Radiation on a clear, relatively still night
    C. warm air being lifted rapidly aloft in the vicinity of mountainous terrain
    B. Radiation on a clear, relatively still night
    (this multiple choice question has been scrambled)
  11. 4114. What feature is associated with a temperature inversion?
    A. A stable layer of air
    B. an unstable layer of air
    C. Air mass thunderstorms
    A. A stable layer of air
    (this multiple choice question has been scrambled)
  12. 4125. A temperature inversion will normally form only
    A. When a stratiform layer merges with a cumuliform mass
    B. in unstable air
    C. In stable air
    C. In stable air
    (this multiple choice question has been scrambled)
  13. 4200. Which weather conditions should be expected beneath a low level temperature inversion layer when the relative humidity is high?
    A. light wind shear and poor visibility due to haze and light rain
    B. Smooth air and poor visibility due to fog, haze, or low clouds
    C. Turbulent air and poor visibility due to fog, low stratus-type clouds, and showery precipitation
    B. Smooth air and poor visibility due to fog, haze, or low clouds
    (this multiple choice question has been scrambled)
  14. 4105. What causes surface winds to flow across the isobars at an angle rather than parallel to the isobars?
    A. The greater density of the air at the surface
    B. Coriolis force
    C. surface friction
    C. surface friction
    (this multiple choice question has been scrambled)
  15. 4106. Winds at 5,000 feet AGL on a particular flight are southwesterly while most of the surface winds are southerly. This difference in direction is primarily due to
    A. A stronger pressure gradient at higher altitudes
    B. Stronger Coriolis force at the surface
    C. friction between the wind and the surface
    C. friction between the wind and the surface
    (this multiple choice question has been scrambled)
  16. 4107. What relationship exists between the winds at 2,000 feet above the surface and the surface winds?
    A. The surface winds tend to veer to the right of the winds at 2,000 feet and are usually weaker.
    B. The winds at 2,000 feet tend to parallel the isobars while the surface winds cross the isobars at an angle.
    C. The winds at 2,000 feet and the surface winds flow in the same direction, but the surface winds are weaker due to friction.
    B. The winds at 2,000 feet tend to parallel the isobars while the surface winds cross the isobars at an angle.
    (this multiple choice question has been scrambled)
  17. 4108. Which force, in the Northern Hemisphere, acts at a right angle to the wind and deflects it to the right until parallel to the isobars?
    A. Pressure gradient
    B. Coriolis
    C. Centrifugal
    B. Coriolis
    (this multiple choice question has been scrambled)

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