Exam 3 Private Pilot Ground School
UPDATED ACTUAL Exam Questions and
CORRECT Answers
3381. Every physical process of weather is accompanied by, or is the result of, a: - CORRECT
ANSWER - heat exchange
3382. What causes variations in altimeter settings between weather reporting points? -
CORRECT ANSWER - unequal heating of the Earth's surface
3395. The wind at 5000 feet AGL is southwesterly while the surfce wind is southerly. This
difference in direction is primarily due to: - CORRECT ANSWER - friction between the wind
and the surface
3450. Convective circulation patterns associated with sea breezes are caused by: - CORRECT
ANSWER - cool, dense air moving inland from over the water
3383. A temperature inversion would most likely result in which weather condition? -
CORRECT ANSWER - An increase in temperature as altitude is increased
3384. 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
3397. What is meant by the term "dewpoint": - CORRECT ANSWER - The temperature to
which air must be cooled to become saturated
3398. The amount of water vapor which air can hold depends on the: - CORRECT
ANSWER - Air temperature
, 3399. Clouds, fog, or dew will always form when: - CORRECT ANSWER - water vapor
condenses
3400. What are the processes by which moisture is added to unsaturated air?: - CORRECT
ANSWER - Evaporation and sublimination
3444. If the temperature/dewpoint spread is small and decreasing, and the temperature is 62
degrees F, what type of weather is most likely to develop? - CORRECT ANSWER - Fog or
low clouds
3422. One of the most recognized discontinuities across a front is: - CORRECT ANSWER -a
change in temperature
3423. One weather phenomenon which will always occur when flying across a front is a change
in the: - CORRECT ANSWER - wind direction
3385. 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
3403. What measurement can be used to determine the stability of the atmosphere? - CORRECT
ANSWER - Actual lapse rate
3404. What would decrease the stability of an air mass? - CORRECT ANSWER - warming
from below
3405. What is a characteristic of stable air? - CORRECT ANSWER - stratiform clouds
3408. What feature is associated with a temperature inversion? - CORRECT ANSWER -A
stable layer of air
UPDATED ACTUAL Exam Questions and
CORRECT Answers
3381. Every physical process of weather is accompanied by, or is the result of, a: - CORRECT
ANSWER - heat exchange
3382. What causes variations in altimeter settings between weather reporting points? -
CORRECT ANSWER - unequal heating of the Earth's surface
3395. The wind at 5000 feet AGL is southwesterly while the surfce wind is southerly. This
difference in direction is primarily due to: - CORRECT ANSWER - friction between the wind
and the surface
3450. Convective circulation patterns associated with sea breezes are caused by: - CORRECT
ANSWER - cool, dense air moving inland from over the water
3383. A temperature inversion would most likely result in which weather condition? -
CORRECT ANSWER - An increase in temperature as altitude is increased
3384. 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
3397. What is meant by the term "dewpoint": - CORRECT ANSWER - The temperature to
which air must be cooled to become saturated
3398. The amount of water vapor which air can hold depends on the: - CORRECT
ANSWER - Air temperature
, 3399. Clouds, fog, or dew will always form when: - CORRECT ANSWER - water vapor
condenses
3400. What are the processes by which moisture is added to unsaturated air?: - CORRECT
ANSWER - Evaporation and sublimination
3444. If the temperature/dewpoint spread is small and decreasing, and the temperature is 62
degrees F, what type of weather is most likely to develop? - CORRECT ANSWER - Fog or
low clouds
3422. One of the most recognized discontinuities across a front is: - CORRECT ANSWER -a
change in temperature
3423. One weather phenomenon which will always occur when flying across a front is a change
in the: - CORRECT ANSWER - wind direction
3385. 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
3403. What measurement can be used to determine the stability of the atmosphere? - CORRECT
ANSWER - Actual lapse rate
3404. What would decrease the stability of an air mass? - CORRECT ANSWER - warming
from below
3405. What is a characteristic of stable air? - CORRECT ANSWER - stratiform clouds
3408. What feature is associated with a temperature inversion? - CORRECT ANSWER -A
stable layer of air
