Ground School Exam #2 - Gleim Questions
Unit 7 – weather UPDATED ACTUAL
Exam Questions and CORRECT Answers
Every physical process of weather is accompanied by, or is the result of, a - CORRECT
ANSWER - heat exchange
What causes variations in altimeter settings between weather reporting points? - CORRECT
ANSWER - Unequal heating of the Earth's surface.
The wind at 5,000 feet AGL is southwesterly while the surface wind is southerly. This difference
in direction is primarily due to - CORRECT ANSWER - friction between the wind and the
surface.
Convective circulation patterns associated with sea breezes are caused by - CORRECT
ANSWER - cool, dense air moving inland from over the water
the development of thermals depends upon - CORRECT ANSWER - solar heating.
The boundary between two different air masses is referred to as a - CORRECT
ANSWER - front.
One weather phenomenon which will always occur when flying across a front is a change in the -
CORRECT ANSWER - wind direction
One of the most easily recognized discontinuities across a front is - CORRECT
ANSWER - a change in temperature.
, If there is thunderstorm activity in the vicinity of an airport at which you plan to land, which
hazardous atmospheric phenomenon might be expected on the landing approach? - CORRECT
ANSWER - wind-shear turbulence.
A nonfrontal, narrow band of active thunderstorms that often develop ahead of a cold front is
known as a - CORRECT ANSWER - squall line
What conditions are necessary for the formation of thunderstorms? - CORRECT
ANSWER - High humidity, lifting force, and unstable conditions
during the life cycle of a thunderstorm, which stage is characterized predominately by
downdrafts? - CORRECT ANSWER - Dissipating.
Thunderstorms reach their greatest intensity during the - CORRECT ANSWER - mature
stage
What feature is normally associated with the cumulus stage of a thunderstorm? - CORRECT
ANSWER - continuous updraft
Which weather phenomenon signals the beginning of the mature stage of a thunderstorm? -
CORRECT ANSWER - precipitation beginning to fall.
Thunderstorms which generally produce the most intense hazard to aircraft are - CORRECT
ANSWER - squall line thunderstorms
Which weather phenomenon is always associated with a thunderstorm? - CORRECT
ANSWER - lightning.
One in-flight condition necessary for structural icing to form is - CORRECT ANSWER -
visible moisture
Unit 7 – weather UPDATED ACTUAL
Exam Questions and CORRECT Answers
Every physical process of weather is accompanied by, or is the result of, a - CORRECT
ANSWER - heat exchange
What causes variations in altimeter settings between weather reporting points? - CORRECT
ANSWER - Unequal heating of the Earth's surface.
The wind at 5,000 feet AGL is southwesterly while the surface wind is southerly. This difference
in direction is primarily due to - CORRECT ANSWER - friction between the wind and the
surface.
Convective circulation patterns associated with sea breezes are caused by - CORRECT
ANSWER - cool, dense air moving inland from over the water
the development of thermals depends upon - CORRECT ANSWER - solar heating.
The boundary between two different air masses is referred to as a - CORRECT
ANSWER - front.
One weather phenomenon which will always occur when flying across a front is a change in the -
CORRECT ANSWER - wind direction
One of the most easily recognized discontinuities across a front is - CORRECT
ANSWER - a change in temperature.
, If there is thunderstorm activity in the vicinity of an airport at which you plan to land, which
hazardous atmospheric phenomenon might be expected on the landing approach? - CORRECT
ANSWER - wind-shear turbulence.
A nonfrontal, narrow band of active thunderstorms that often develop ahead of a cold front is
known as a - CORRECT ANSWER - squall line
What conditions are necessary for the formation of thunderstorms? - CORRECT
ANSWER - High humidity, lifting force, and unstable conditions
during the life cycle of a thunderstorm, which stage is characterized predominately by
downdrafts? - CORRECT ANSWER - Dissipating.
Thunderstorms reach their greatest intensity during the - CORRECT ANSWER - mature
stage
What feature is normally associated with the cumulus stage of a thunderstorm? - CORRECT
ANSWER - continuous updraft
Which weather phenomenon signals the beginning of the mature stage of a thunderstorm? -
CORRECT ANSWER - precipitation beginning to fall.
Thunderstorms which generally produce the most intense hazard to aircraft are - CORRECT
ANSWER - squall line thunderstorms
Which weather phenomenon is always associated with a thunderstorm? - CORRECT
ANSWER - lightning.
One in-flight condition necessary for structural icing to form is - CORRECT ANSWER -
visible moisture
