1. The amount of solar energy received by the Earth depends on which variations?
A. latitudinal
B. altitude
C. diurnal
D. A and C only
E. All of the above
2. The greatest temperature variation occurs over what type of topography?
A. marshes and swamps
B. arid, barren surfaces (rocky or sandy deserts)
C. areas of thick vegetation
D. lakes and shorelines
4. The average lapse rate in the troposphere is:
A. 5 degrees C per 2,000 feet
B. 10 degrees C per 5,000 feet
C. 2 degrees C per 5,000 feet
D. 2 degrees C per 1,000 feet
6. Why is it important to have established a standard atmosphere?
A. provides a comparison for pilots of their altitude with other factors
B. provides a reference for aircraft performance and weather
C. both A and B
D. neither A or B
7. Which altitude reading is most critical to takeoff and climb performance
of an aircraft?
A. true altitude
B. absolute altitude
C. indicated altitude
D. pressure altitude
E. density altitude
8. Indicated altitude is:
A. the setting given by local control which the pilot sets the altimeter at
prior to takeoff from that airport
B. the actual height of the aircraft above sea level
C. the height of an aircraft above the terrain over which it is flying
D. the altimeter reading after adjusting the setting to 29.92
10. Flying from a high pressure area to a low pressure area without adjusting
the altimeter while maintaining a constant indicated altitude would result in:
A. a gain of absolute altitude
B. a loss of true altitude
C. a loss density altitude
D. a gain of density altitude
12. Variation in temperature on Earth is caused by:
A. a change in density
B. uneven heating of the Earth's surface from solar radiation
C. the jet stream
D. the oceans
13. Wind is defined as:
A. the horizontal movement of air
B. the jet stream
C. vertical upthrust of cold air
D. vertical downthrust of warm air
14. General circulation patterns and seasonal pressure systems are not as important
to pilots as:
A. surface friction
B. local wind patterns
C. wind shear
D. All of the above
E. A and B only
15. Land and sea breezes develop because of:
A. differences in land and sea temperature changes
B. changes in humidity
C. diurnal variations in temperature
D. diurnal changes in density
E. A and C only
16. Dew point is defined as:
A. complete saturation of the air by water vapor
B. the total amount of water in the atmosphere
C. cold, moist air
D. the temperature to which air must be cooled for complete saturation
17. Fog is most likely to form under these conditions:
A. when the temperature-dew point spread is 5 degrees F or less and decreasing
B. when the temperature-dew point spread is 5O F or less and increasing
C. when the temperature-dew point spread is 5 degrees F or less and decreasing
and the dew point is less than 32 degrees F
D. just before it snows
19. Which cloud type should a pilot always try to avoid?
A. low clouds
B. middle clouds
C. high clouds
D. vertically advanced clouds