Exam (elaborations)
Jeppesen Stage 2 TestChapters 6 Section A and B
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- UTMB Pharm Exam 1
- Institution
- UTMB Pharm Exam 1
Jeppesen Stage 2 TestChapters 6 Section A and B
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Jeppesen Stage 2 Test Chapters 6 SectionA and B
How will frost on the wings of an airplane affect takeoff performance? -
CORRECT ANSWER-Frost will disrupt the smooth flow of air over the wing,
adversely affecting its lifting capability.
Every physical process of weather is accompanied by, or is the result of, a -
CORRECT ANSWER-heat exchange
A temperature inversion would most likely result in which weather condition? -
CORRECT ANSWER-an increase in temperature as altitude is increased
The most frequent type of ground or surface-based temperature inversion is that
which is produced by - CORRECT ANSWER-terrestrial radiation on a clear,
relatively still night
Which weather conditions should be expected beneath a low-level temperature
inversion layer when the relative humidity is high? - CORRECT
ANSWER-smooth air, poor visibility, fog, haze, or low clouds
What is meant by the term "dewpoint" - CORRECT ANSWER-The temperature to
which air must be cooled to be saturated.
The amount of water vapor which air can hold depends on the - CORRECT
ANSWER-Air temperature
Clouds, fog or dew will always form when - CORRECT ANSWER-water vapor
condenses
What are the processes by which moisture is added to saturated air? -
CORRECT ANSWER-Evaporation and sublimation
What conditions result in the formation of frost? - CORRECT ANSWER-The
temperature of the collecting surface is at or below the dewpoint of the adjacent
air and the dewpoint is below freezing
, 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 presence of ice pellets at the surface is evidence that there - CORRECT
ANSWER-is a temperature inversion with freezing rain at a higher altitude
What measurement can be used to determine the stability of the atmosphere? -
CORRECT ANSWER-actual lapse rate
What would decrease the stability of an air mass? - CORRECT
ANSWER-warming from below
What is a characteristic of stable air? - CORRECT ANSWER-stratiform clouds
Moist, stable air flowing upslope can be expected to - CORRECT
ANSWER-produce stratus type clouds
If an unstable air mass is forced upward, what type of clouds can be expected? -
CORRECT ANSWER-Clouds with considerable vertical development and
associated turbulence.
What feature is associated with temperature inversion? - CORRECT ANSWER-a
stable layer of air
What is the approximate base of the cumulus clouds if the surface air
temperature at 1,000 feet MSL is 70 degreesF and the dewpoint is 48degrees F?
- CORRECT ANSWER-6,000 feet MSL
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