ADX Oral Test Prep UPDATED Exam Questions and CORRECT Answers
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Course
ADX Oral
Institution
ADX Oral
ADX Oral Test Prep UPDATED Exam
Questions and CORRECT Answers
What is the lowest level in the atmosphere - CORRECT ANSWER- Troposphere
One characteristic of the lowest level of the atmosphere - CORRECT ANSWER- Decrease in
temp with increase in height
What is it called when temperature increa...
ADX Oral Test Prep UPDATED Exam
Questions and CORRECT Answers
What is the lowest level in the atmosphere - CORRECT ANSWER- Troposphere
One characteristic of the lowest level of the atmosphere - CORRECT ANSWER- Decrease in
temp with increase in height
What is it called when temperature increases with height - CORRECT ANSWER- Inversion
layer in between troposphere and stratosphere - CORRECT ANSWER- tropopause
What is it important to know in order to determine at what altitude the tropopause is -
CORRECT ANSWER- Lapse rate change, jet stream, air becomes more stable
Describe unstable air - CORRECT ANSWER- Air, when lifted, continues to rise on its own
due to surrounding air temperature being cooler than the lifted air
3 lifting mechanisms - CORRECT ANSWER- Solar radiation-sun heats ground, which heats
air and rises
Topographical- wind forcing air up slope
Frontal movement-cold fronts force air over it
3 adiabatic lapse rates - CORRECT ANSWER- Dry- 3C per 1,000 ft
Standard- 2C per 1000
Saturated- 1.5C per 1000
What is ISA - CORRECT ANSWER- International Standard Atmosphere
What is ISA temperature at sea level - CORRECT ANSWER- 15 C
,ISA pressure at sea level - CORRECT ANSWER- 29.92 in of hG
1013.2 millibars of pressure
Describe a cold front - CORRECT ANSWER- Fast moving, unstable air, cumuliform clouds,
temperature drop after front passes, showery precip, clear ice, weather improves quickly after
front pass
Describe warm front - CORRECT ANSWER- Slow, stable air, stratiform clouds, steady
precip, increased temp after passes, wind shifts, rime ice, weather slow to improve after
passes
What is a TROF - CORRECT ANSWER- Elongated area of low pressure
What is a dry line - CORRECT ANSWER- a boundary that separates a moist air mass from a
dry air mass
What are two pressure systems - CORRECT ANSWER- High and low
Describe airflow around a high pressure system - CORRECT ANSWER- Clockwise,
downwards, and out from center
Describe airflow around a low pressure system - CORRECT ANSWER- Counter clockwise,
upwards and inward toward center
What is the coriolis effect - CORRECT ANSWER- earths rotation causes winds to curve
around high and low pressure systems
Where does Coriolis have the greatest and least effect on wind direction? - CORRECT
ANSWER- Greatest at poles
Least at equator
What are the 3 weather conditions required for thunderstorm formation - CORRECT
ANSWER- Unstable air, moisture, lifting action
, What does convection mean - CORRECT ANSWER- Vertically moving air
What are the 3 stages of a thunderstorm and what is the worst stage - CORRECT ANSWER-
Cumulus-growth
Mature-precip
Dissipating- downdrafts worst stage
Name in-flight weather dangers associated with thunderstorm - CORRECT ANSWER- Hail,
wind shear, turbulence, lightning, tornadoes, icing
What is a microburst - CORRECT ANSWER- 10-15 min of downdrafts from a thunderstorm
that can cause low level wind shear
Types of clouds associated with thunderstorms - CORRECT ANSWER- Towering cumulus,
cumulonimbus, cumulonimbus mammatus
4 types of fog and how they form - CORRECT ANSWER- Upslope- Warm moist air forced
up in altitude and cooled and fall back down mtn as fog
Radiation- warm air mass cools to dewpoint at night
Precip-accompanies rain showers and steady rain
Advection- warm moist air moves over colder land mass or cold air moves over warm body
of water
When and how fog types dissipated - CORRECT ANSWER- Upslope-wind reduced or
moving air has little moisture
Radiation-warming temperatures mid to late morning
Precip-after precip ends
Advection- land warms up
Describe NDB - CORRECT ANSWER- Non directional beacon
low frequency
bearing to station only
ADF
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